clapper valve
常见例句
- Staniless steel sanitary welded clapper valve
不鏽鋼衛生級銲接式加閥 - Have you turned off the water valve?
你關掉水閥了嗎？ - We need an eye bolt to fit this valve.
我們需要一個有眼螺栓來固定這個閥門。 - He soon detected the faulty valve.
他很快查到了出毛病的閥門。 - If not damaged gently close the clapper.
如果沒有損壞，則輕輕地關閉閥瓣。 返回 clapper valve