... 8.2 软聚氯乙烯管PPVC pipe 8.2 焊接钢管welding steel pipe 两种以上不同性质管材叠合而成的管子.8.2 排水铸铁管cast-iron soil pipe ...
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Spiral Welding Steel Pipe 螺焊钢管
welding steel pipe element 焊接钢管件
thin-wall boxing welding steel pipe 薄壁焊管
Hubbed slip-on-welding steel pipe flanges 带颈平焊钢制管法兰
resistance-welding steel pipe 电阻焊钢管
seam welding steel pipe 直缝焊接钢管
Flexible pipe (also called wire road coated with plastic), is the welding steel pipe coated plastic resin. To prevent separation between coating and steel, special adhesive is used.
线棒（也称覆塑管），是带有塑料涂层的焊接钢管，为防止涂层与钢管分离，它们之间使用特殊的粘合接。
In the construction of steel pipe scaffold on electric welding machine, vibrator and other electrical equipment should be placed in dry wood, operators shall wear insulating protective equipment.
在钢管脚手架上施工的电焊机、振捣器等用电设备应放置在枯燥的木板上，操作人员应穿戴绝缘的防护用品。
Electric welding is used to repair iron and steel parts of machinery, and to make steel pipe and frameworks of all kinds.
电焊可用于修理机器的铁制和钢制部件，还可以用于制作各种各样的钢管和其它钢结构部件。
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