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["浄化基礎の基本知識", "機械密封の長所は() A 泄漏量少(一般为填料密封的%) B 寿命大(B— B年) C �摩擦功耗少(为填料密封的

2018-11-03View Original

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机械密封的优缺点是() A 泄漏量少(一般为填料密封的1%) B 使用寿命大(1—2年) C 磨擦功耗小(为填料密封的10~50%) D 对轴加工精度要求降低
Reply #22018-11-03
A 泄漏量少(一般为填料密封的1%) B 使用寿命大(1—2年) C 磨擦功耗小(为填料密封的10~50%)
Reply #32018-11-03
A 泄漏量少(一般为填料密封的1%) B 使用寿命大(1—2年) C 磨擦功耗小(为填料密封的10~50%)
Reply #42018-11-03
A 泄漏量少(一般为填料密封的1%) B 使用寿命大(1—2年) C 磨擦功耗小(为填料密封的10~50%) D 对轴加工精度要求降低

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