Analysis & calculation of air release water hammer;
含有空气释出的水锤分析与计算
a device that introduces fresh air or expels foul air.
导入新鲜空气排出污浊空气的装置。
This machine forces air out of the tank and creates a vacuum.
这台机器将空气排出气槽并形成真空状态。
an opening for the escape of gas or air.
一个能使烟空气排出去的口。
Open the inlet water valve and press the top discharge valve to discharge the air in the filter at the same time.
打开进水阀门，同时按下顶上排气阀，使滤器内空气排出即可。
At the same time air is sucked into the inlet to replace the exhausted air.
同时，外面空气由进气口吸入代替被排出的空气。
the act of supplying fresh air and getting rid of foul air.
加进新鲜空气把恶劣的气体排出去。
The exhaust fumes from factories polluted the air above the city.
从工厂排出的废气污染了城市上空的空气。
Propeller fans exhaust air through holes in the wall.
螺旋式通风机从壁孔中排出空气。
draw air into, and expel out of, the lungs.
将空气吸入肺，并排出肺的一个动程。
Exhaust gases from the cars are poisoning the air of our cities.
汽车排出的废气正在污染着我们城市的空气。
The cars were seriously poisoning the.air of our cities with waste.
汽车中排出的废气严重污染了我们城市的空气。
Monitor the atmosphere in areas where gases may vent and collect.
监测气体可能排出和积累的区域的空气。
Exhaust gases from boilers, vehicles, etc., cause air pollution in cities.
锅炉和车辆等排出的废气,污染城市空气.
discharging valve
排出阀排气阀排水阀
An apparatus for drawing out noxious air or waste material by means of a partial vacuum.
排气装置通过部分真空的方式排出有害气体或废物的装置
Vent the air gap and drain line from the relief valve in accordance with code requirements.
按照规程的要求，排出安全阀气隙和排放管道的空气。
Exhaust air cooling down when passing through the hood,it provides a cold and pleasant working environment to the chefs.
排出的油污及热空气,因其经过洒水系统部份,以致排出空气减温,徒而提供一个较清闵工作环境.
a small cock or faucet or valve for letting out air or releasing compression or draining.
放出空气或浓缩或排泄的小栓或旋塞或阀。