U
ultrasonic humidifier||超聲波加濕器
unconditioned zone||非空氣調(diào)節(jié)區(qū)
uncontrolled natural ventilation||無組織自然通風(fēng)
unidirectional flow ventilation||單向流通風(fēng)
union||活接頭
unit heater||暖風(fēng)機(jī)
unit heater with axial fan||軸流式暖風(fēng)機(jī)
unitheater with centrifugal fan||離心式暖風(fēng)機(jī)
unit radiant panel||塊狀輻射板
unorganized air supply||無組織進(jìn)風(fēng)
unorganized exhaust||無組織排風(fēng)
unorganized natural ventilation||無組織自然通風(fēng)
unsteady-state heat transfer||非穩(wěn)態(tài)傳熱
upfeed system||下分式系統(tǒng)
upright bucket type steam trap||浮桶式疏水器
upstream syray pattern||逆噴
ultrasonic humidifier||超聲波加濕器
unconditioned zone||非空氣調(diào)節(jié)區(qū)
uncontrolled natural ventilation||無組織自然通風(fēng)
unidirectional flow ventilation||單向流通風(fēng)
union||活接頭
unit heater||暖風(fēng)機(jī)
unit heater with axial fan||軸流式暖風(fēng)機(jī)
unitheater with centrifugal fan||離心式暖風(fēng)機(jī)
unit radiant panel||塊狀輻射板
unorganized air supply||無組織進(jìn)風(fēng)
unorganized exhaust||無組織排風(fēng)
unorganized natural ventilation||無組織自然通風(fēng)
unsteady-state heat transfer||非穩(wěn)態(tài)傳熱
upfeed system||下分式系統(tǒng)
upright bucket type steam trap||浮桶式疏水器
upstream syray pattern||逆噴