throttle butterfly valve 中文意思是什麼
throttle butterfly valve
解釋
節流蝶閥-
Throttle butterfly valve
節流蝶閥 -
Butterfly throttle valve
蝶形節流閥 -
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) 。
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