Fbutt welding of the carbon steel pipe.
用于各种碳钢钢管的环缝对接。
For butt welding of the carbon steel pipe.
用于各种碳钢钢管的环缝对接。
I offered carbon steel pipe. Somebody need it?
我是卖钢管管件的，有需要的朋友吗？
This pipe is made of carbon steel (stainless steel, cast iron, plastic).
这管子是碳素钢(不锈钢、铸铁、塑料)制成的。
This pipe is made of carbon steel (stainless steel, cast iron, plastic).
这管子是碳素钢(不锈钢、铸铁、塑料)制成的。
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