pull-out jack 中文意思是什麼
pull-out jack
解釋
拔釘器-
First, it introduces the composition of the pull - out instrument which made named " numerical displaying and two jack pull - out friction instrument " and how to select the major parameters
首先,本文介紹了數顯式雙千頂拉拔摩擦儀的儀器組成和主要性能參數的選擇。
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