基本解釋瓣閥同根派生 clapper valve相關(guān)詞英漢例句Staniless steel sanitary welded clapper valve 不銹鋼衛(wèi)生級(jí)焊接式加閥Have you turned off the water valve? 你關(guān)掉水閥了嗎?We need an eye bolt to fit this valve. 我們需要一個(gè)有眼螺栓來(lái)固定這個(gè)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(guān)閉閥瓣。clapper valve更多例句詞組短語(yǔ)短語(yǔ)sprinkler alarm valve clapper 噴水滅火系統(tǒng)報(bào)警閥閥瓣clapper valve更多詞組專業(yè)釋義機(jī)械工程瓣閥