gate throttle 中文意思是什麼
gate throttle
解釋
節流門-
418 this is a gate valve ( check valve, butterfly valve, cut - off valve, magnetic valve, remote valve, relief valve, throttle valve, cock )
這是一個閘閥(止回閥、蝶閥、切斷閥、電磁閥、遙控閥、安全閥、節流閥、旋塞) 。 -
Research on technique of low resistance throttle gate in the mine tunnel
礦井巷道風門降阻技術研究
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