closing sleeve造句
例句與造句
- The hsc - a hydraulic stage cementer features inner closing structure , opening through pressure difference . the closing plug drives the closing sleeve down and then shut circulation ports
型壓差式雙級注水泥器為內(nèi)關(guān)閉式結(jié)構(gòu)，不需投重力塞，通過液體的壓力差打開循環(huán)孔，關(guān)閉塞帶動關(guān)閉套下行關(guān)閉循環(huán)孔。 - It's difficult to find closing sleeve in a sentence. 用closing sleeve造句挺難的