ball shear tester 中文意思是什麼
ball shear tester
解釋
球狀壓接端切變強度測試機-
Testing of lubricants - testing in the shell four - ball tester - part 6 : determination of shear stability of lubricating oils containing polymers
潤滑劑試驗.殼牌公司四球儀試驗.第6部分:帶聚合添料
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