minimum tapping 中文意思是什麼
minimum tapping
解釋
最小分接-
9 self - tapping / self - drilling bolts should not be used unless they are specifically recommended for rock climbing and meet the minimum european standard when installed according to instruction
9施工時,鐵板牙錨栓/鉆尾錨栓並不適用,除非其上有註明專為攀巖活動設計,並符合歐洲標準的最低標。
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