o ring rolling 中文意思是什麼
o ring rolling
解釋
環鍛-
Cone - shaped bayonet ring couplings for rolling stock part 22 : rubber o - rings
機車車輛用錐面卡套式管接頭.第22部分: o形橡膠圈 -
Railway traction and rolling stock. plugs with o - ring seal
鐵路車輛.帶形密封圈的塞子 -
Railway traction and rolling stock. pipework connections on devices fitted with o - ring seal plugs. interfaces
鐵路牽引車和鐵路車輛.裝有形密封插塞的管路的連接件.介面
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