环焊缝 circumferential weld ; all-around weld ; circular weld
孔环焊垫 Land
非圆形孔环焊垫 Non-Circular Land
背面垫环焊接 weld with backing ring
非圆形孔环焊垫. Non-Circular Land
环形焊缝 circular weld ; periphera weld
海底管线环焊缝 Submarine pipeline
环缝焊接 girth welding ; circular seam welding ; girth welding/ circumferential
环缝对接焊 butt welding of circumferential seam ; circular seam welding
数控主机用于保证箱底纵、环焊缝焊速恒定并使焊接点始终处于平焊位置。
NC machine is used to ensure that longitudinal and circular weldings are produced at a constant speed and the welding point is always in flat position.
该设备专用于通讯杆、高杆灯杆体端部与发兰盘自动环焊对接的焊机设备。
Used for welding the pole edge with the bottom flange for the telecom pole, street light pole.
某核电站除氧器水箱尺寸较大，其2条环焊缝需在现场拼焊，焊接和热处理难度很大。
Due to the large size of the deaerator water tank of a nuclear power station, in-situ welding is required for 2 ring butt welds, causing difficulties in welding and heat treatment.
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