英文: Backing weld and filling weld by PWT-CWS.0NRT
中文: PWT-CWS.0NRT打底与RMS填盖焊接技术(一)英文: Bolted bonnet with seal weld.
中文: 密封焊接的螺栓阀帽。英文: Use a blast cleaner or power tool to remove weld flux slag, weld metal spatters, weld flux fume deposits, rust and damaged paint film in welded areas.
中文: 通过喷砂或电动工具除去焊渣、飞溅焊烟、锈迹和焊接部损坏的漆膜。英文: Some metals weld better than others.
中文: 有些金属容易焊,有的不容易焊。英文: These alloys weld at different heats.
中文: 这些合金可在不同的温度[热度]熔接。