2009-10-03
11密封圈 Sealing ring铰链 Hinge把手 Handle平衡块 Balance block焊接 welding坡口 groove单面坡口 Single groove双面坡口 Dou...
2009-10-03
1、1结构 Structure1 2船厂 dockyard/shipyard 船坞 dock/boatyard船东 ship-owner 船舷 Ship...
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