多彈簧式機(jī)械密封 spring rotating mechanical seal: 彈簧旋轉(zhuǎn)式機(jī)械密封-spring standing mechanical seal: 彈簧靜止式機(jī)械密封-mechanical seal: 端面密封; 機(jī)械封口; 機(jī)械密封; 機(jī)械式軸封; 裝備機(jī)械軸封seal spring: 密封彈簧mechanical spring: 機(jī)械彈簧下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
