acme thread gauge 中文意思是什麼
acme thread gauge
解釋
愛克米螺紋規-
Single - and double - start acme thread with clearance for rail vehicles - part 3 : thread gauges ; thread dimensions and permissible wear of thread gauge
鐵路車輛用帶間隙的單頭和雙頭愛克米螺紋.第3部分:螺
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