Check foot valve, lower suction head, block up the air leak place.

检查底阀, 降低吸水高度, 堵塞漏气处.

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Did the tooth drop meeting air leak?

牙掉了会漏风 吗 ?

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Air leak seriously influences coal face supersedure at second air road of Dongyi mining area.

东一采区二段风道小井漏风严重影响了采煤工作面的接续,制约采区巷道维修.

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If air leak happens in the ISS, what emergency actions will be taken?

如果在空间站发生泄漏, 你们会采取怎样的紧急措施?

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