精选优质文档-倾情为你奉上英汉对照机械术语英汉对照机械术语英汉对照机械术语转帖英汉对照机械术语Piping work: 铺管工程Steam trace: 加热蒸汽管道Cutting: 切割socket weld承插焊接fillet weld角焊,填角焊branch connection分支接续fabrication tolerance.制造容差local heat treatment 局部热处理threaded pipe螺纹管seal welding.密封焊接flange joint凸缘接头undercut 底切feeder馈电线conduit outlet电线引出口seal fitting 密封接头, 密封配件Screw thread lubricant螺纹润滑剂Seal: 绝缘层weld reinforcement 焊缝补强lock washer 锁紧止动, 防松垫圈electrical panel.配电板,配电盘nipple螺纹接头zinc plated.镀锌的ring joint 环接, 围缘接