M

main 总管、干管

main duct通风〕总管、〔通风〕干管

main pipe总管、干管

make-up water pump补给水泵

manual control手动控制

mass concentration质量浓度

maximum allowable concentration (MAC)最高容许浓度

maximum coefficient of heat transfer最大传热系数

maximum depth of frozen ground最大冻土深度

maximum sum of hourly colling load逐时冷负荷综合最大值

mean annual temperature (humidity)年平均温（湿）度

mean annual temperature (humidity)日平均温（湿）度

mean daily temperature (humidity)旬平均温（湿）度

mean dekad temperature (humidity)月平均最高温度

mean monthly maximum temperature月平均最低温度

mean monthly minimum temperature月平均湿（湿）度

mean monthly temperature (humidity)平均相对湿度

mean relative humidity平均风速

emchanical air supply system机械送风系统

mechanical and hydraulic联合除尘

combined dust removal机械式风速仪

mechanical anemometer机械除尘

mechanical cleaning off dust机械除尘

mechanical dust removal机械排风系统

mechanical exhaust system机械通风系统

mechanical ventilation机械通风

media velocity过滤速度

metal radiant panel金属辐射板

metal radiant panel heating金属辐射板采暖

micromanometer微压计

micropunch plate muffler微穿孔板消声器

mid-frequency noise中频噪声

middle work中作业

midfeed system中分式系统

minimum fresh air requirmente最小新风量

minimum resistance of heat transfer最小传热阻

mist雾

mixing box section混合段

modular air handling unit组合式空气调节机组

moist air湿空气

moisture excess余湿

moisure gain散湿量

moisture gain from appliance and equipment设备散湿量

moisturegain from occupant人体散湿量

motorized valve电动调节阀

motorized (pneumatic)电（气）动两通阀

-way valvemotorized (pneumatic)-way valve电（气）动三通阀

movable support活动支架

muffler消声器

muffler section消声段

multi-operating mode automtic conversion工况自动转换

multi-operating mode control system多工况控制系统

multiclone多管〔旋风〕除尘器

multicyclone多管〔旋风〕除尘器

multishell condenser组合式冷凝器
N

natural and mechanical combined ventilation联合通风

natural attenuation quantity of noise噪声自然衰减量

natural exhaust system自然排风系统

natural freguency固有频率

natural ventilation自然通风

NC-curve[s]噪声评价NC曲线

negative freedback负反馈

neutral level中和界

neutral pressure level中和界

neutral zone中和界

noise噪声

noise control噪声控制

noise criter ioncurve(s)噪声评价NC曲线

noisc rating number噪声评价NR曲线

noise reduction消声

non azeotropic mixture refragerant非共沸溶液制冷剂

non-commonsection非共同段

non condensable gas 不凝性气体

non condensable gas purger不凝性气体分离器

non-isothermal jet非等温射流

nonreturn valve通风〕止回阀

normal coldest month止回阀

normal coldest month累年最冷月

normal coldest -month period累年最冷三个月

normal hottest month累年最热月（３）

normal hottest month period累年最热三个月

normal three summer months累年最热三个月

normal three winter months累年最冷三个月

normals累年值

nozzle outlet air suppluy喷口送风

number concentration计数浓度

number of degree-day of heating period采暖期度日数

O

octave倍频程

/ octave倍频程

octave band倍频程

oil cooler油冷却器

oill-fired unit heater燃油热风器

one-and-two pipe combined heating system单双管混合式采暖系统

one (single)-pipe circuit (cross-over) heating system单管跨越式采暖系统

one(single)-pipe heating system单管采暖系统

pne(single)-pipe loop circuit heating system水平单管采暖系统

one(single)-pipe seriesloop heating system单管顺序式采暖系统

one-third octave band倍频程

on-of control双位调节

open loop control开环控制

open return开式回水

open shell and tube condenser立式壳管式冷凝器

open tank开式水箱

operating pressure工作压力

operating range作用半径

opposed multiblade damper对开式多叶阀

organized air supply有组织进风

organized exhaust有组织排风

organized natural ventilation有组织自然通风

outdoor air design conditions室外空气计算参数

outdoor ctitcal air temperature for heating采暖室外临界温度

outdoor design dry-bulb temperature for summer air conlitioning夏季空气调节室外计算干球温度

outdoor design hourly temperature for summer air conditioning夏季空气调节室外计算逐时温度

outdoor design mean daily temperature for summer air conditioning夏季空气调节室外计算日平均温度

outdoor design relative humidityu for summer ventilation夏季通风室外计算相对湿度

outdoor design relative humidity for winter air conditioning冬季空气调节室外计算相对湿度

outdoor design temperature ture for calculated envelope in winter冬季围护结构室外计算温度

outdoor design temperature ture for heating采暖室外计算温度

outdoor design temperature for summer ventilation夏季通风室外计算温度

outdoor design temperature for winter air conditioning冬季空气调节室外计算温度

outdoor design temperature for winter vemtilation冬季通风室外计算温度

outdoor designwet-bulb temperature for summer air conditioning夏季空气调节室外计算湿球温度

outdoor mean air temperature during heating period采暖期室外平均温度

outdoor temperature(humidity)室外温（湿）度

outlet air velocity出口风速

out put variable输出量

overall efficiency of separation除尘效率

overall heat transmission coefficient传热系数

ouvrflow pipe溢流管

overheat steam过热蒸汽

overlapping averages滑动平均

overshoot超调量

P

packaged air conditioner整体式空气调节器

packaged heat pump热泵式空气调节器

packed column填料塔

packed tower填料塔

panel heating辐射采暖

parabolic flow character抛物线流量特性

isticparallel multiblade damperin平行式多叶阀

parameter detection参数检测

part通风〕部件

partial enclosure局部密闭罩

partial pressure of water vapor水蒸汽分压力

particle粒子

particle counter粒子计数器

particle number concentration计数浓度

particle size粒径

particle size distribution粒径分布

particulate粒子

particulate collector除尘器

particulates大气尘

passage ventilating duct通过式风管

penetration rate穿透率

percentage of men，women and children群集系数

and childrenpercentage of possible sunshine日照率

percentage of return air 回风百分比

cerforated ceiling air suppyl孔板送风

perforated plate tower筛板塔

periodic dust dislodging定期除灰

piece(通风〕部件

pipe fittings管道配件

pipe radiator光面管散热器

pipe section管段

pipe coil光面管放热器

pitot tube皮托管

plate heat exchanger板式换热器

plenum chamber静压箱

plenum space稳压层

plug丝堵

plume烟羽

plume rise height烟羽抬升高度

PNC-curve[s]噪声评价PNC曲线

pneumatic conveying气力输送

pueumatic transport气力输送

pneumatic valve气动调节阀

pneumo-electrical convertor气-电转换器

positioner定位器

positive feedback正反馈

powerroof ventilator屋顶通风机

preferred noise criteria curve[s]噪声评价PNC曲线

pressure drop压力损失

pressure enthalpy chart压焓图

pressure gage压力表

pressure of steam supply供汽压力

pressure reducing valve减压阀

pressure relief device泄压装置

pressure relief valve安全阀

pressure thermometer压力式温度计

pressure volume chart压容图

primary air fan-coil system风机盘管加新风系统

primary air system新风系统

primary retirn air一次回风

process air conditioning工艺性空气调节

program control程序控制

proportional band比例带

proportional control比例调节

proportional-integral (PI)control比例积分调节

proportional-integralderivative(PID)control比例积分微分调节

protected(roof)monitor避风天窗

psychrometric chart声级计

pulvation action干湿球温度表

push-pull hood焓湿图

pulvation action尘化作用

push-pull hood吹吸式排风罩

Q

quick open flow characteristic快开流量特性

R

radiant heating辐射采暖

radiant intensity辐射强度

sadiation intensity辐射强度

radiator散热器

radiator heating散热器采暖

radiator heating system散热器采暖系统

radiator valve散热器调节阀

rating under air conditioning condition空调工况制冷量

rcactive muffler抗性消声器

receiver贮液器

receiving hood接受式排风罩

reciprocating compressor活塞式压缩机

recirculation cavety空气动力阴影区

recording thermometer自记温度计

reducing coupling异径管接头

reducing valve减压阀

reentrainment of dust 二次扬尘

refrigerant制冷剂

[refrigerating] coefficient of performance (COP)(制冷〕性能系数

refrigerating compressor制冷压缩机

refrigerating cycle制冷循环

refrigerating effect制冷量

refrigerating engineering制冷工程

refrigerating machine制冷机

refrigerating medium载冷剂

refrigerating planttoom制冷机房

refrigerating station制冷机房

refrigerating system制冷系统

refrigeration 制冷

regenerative noise再生噪声

register百叶型风口

regulator调节器

reheat air conditioning system再热式空气调节系统

relative humidity相对湿度

relay继电器

remote control遥控

resistance of heat transfer传热阻

resistance thermometer电阻温度计

resistance to water vapor permeability蒸汽渗透阻

resistance to water vapor permeation蒸汽渗透阻

resistive muffler阻性消声器

resistivity比电阻

resonance共振

resonant frequency共振频率

response curve of controlled plant调节对象正升曲线

teturn air回风

return air inlet回风口

return branch of radiator散热器回水支管

return fan回风机

return flow zone回流区

return water temperataure回水温度

reverse Carnot cycle逆卡诺循环

reversed return system同程式系统

reversible cycle可逆循环

rim exhaust槽边排风罩

rim ventilation槽边通风

riser立管

roof ventilator筒形风帽

room absorption房间吸声量

room air conditioner房间空气调节器

rotameter转子流量计

rotary dehumidifier转轮除湿机

rotary heat exchanger转轮式换热器

rotary supply outlet旋转送风口

rotating air outlet with movable guide vanes旋转送风口

roughness factor相对粗糙度

rubber shock absorber橡胶隔振器

running means滑动平均