... 应急索具:jury rig 应急速闭阀:quick closing emergency valve 应急手动装置:emergency hand-drive ...
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quick-closing emergency valve 应急快闭阀 ; 应急速闭阀
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Where possible, leave the wrench on the valve so a quick closing of the valve can be made in the event of an emergency.
在可能的地方,把扳手留在阀门上,以便在紧急情况下可以迅速的关闭阀门。
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