英语词汇return air shaft怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

1
?回风井
... 回风竖管：return air riser 回风井：return air shaft 回风机和抽风机：return fan and extract fan ...

短语

1
Mine, the causes of natural thermal potential difference in return air in main shaft and its influence on mine ventilation system and the control methods.
阐述了造成主井回风的自然热位差产生原因和对通风系统的影响，以及治理办法。
2
The importance for the mine to strengthen the maintenance of the air return way and the points needing attention in designing and allocating the ventilation shaft are pointed out.
同时提出生产矿山加强回风道维护的重要性，以及在设计和布置通风井时应注意的问题。
3
The design of the Buddha in the central depression Waida a new shaft into the return air.
设计在井田中部佛洼新建一进回风立井。

单词	return air shaft
释义	return air shaft 简明释义回风井，回风管道间网络释义 1 ?回风井 ... 回风竖管：return air riser 回风井：return air shaft 回风机和抽风机：return fan and extract fan ... 短语 1 return air shaft detail 回风井 2 Air-return shaft 回风井 3 return n air shaft 回风井双语例句 1 Mine, the causes of natural thermal potential difference in return air in main shaft and its influence on mine ventilation system and the control methods. 阐述了造成主井回风的自然热位差产生原因和对通风系统的影响，以及治理办法。 2 The importance for the mine to strengthen the maintenance of the air return way and the points needing attention in designing and allocating the ventilation shaft are pointed out. 同时提出生产矿山加强回风道维护的重要性，以及在设计和布置通风井时应注意的问题。 3 The design of the Buddha in the central depression Waida a new shaft into the return air. 设计在井田中部佛洼新建一进回风立井。
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