常見例句雙語例句The ventilated cavitation number decreased with the ventilation flow rate by exponential law at constant velocity.在流速恒定情況下，隨通氣率的增大，通氣空化數逐漸減小，呈指數規(guī)律衰減。Electric or pneumatic actuator available Regulating the flow rate of water and steam in heating, ventilation, and air-conditioning system.該閥執(zhí)行機構可選擇電動或汽動，適用于采暖、通風及空調系統(tǒng)調節(jié)水及蒸汽的流量。 返回 ventilation flow rate