plain plug 中文意思是什麼
plain plug
解釋
實心鉛水塞-
Length measuring instruments. plain plug standard gauges and standard discs
長度測量儀表.普通標準塞規和標準測量盤 -
Plain plug gauge, cylindrical setting standard, gear measuring cylinder and roller
普通量規,圓筒設定標準,齒輪測量圓筒及滾筒 -
Measurement of plain external diameters for use as master discs or cylindrical plug gages
用作校對圓盤或圓柱形塞規的普通外徑的測量
分享友人