一个钢管的生产流程如下：圆管坯放在要被切割的高温轧制线上，继续升温，穿孔，轧制直到管坯大小基本成型。
The process of a pipe production is the following: a round cast workpiece is put onto a hot rolling line where it is cut, heated, stitched and rolled till a pipe of necessary size is ready.
软管有单层、双层，并分透明管、圆管、扁管。
There is a double-layer, hose , and transparent tube , pipe, pipe.
如：不锈钢圆管、方管、矩管、压花管、螺纹管、镀铂金管等。
Such as: stainless steel pipe, square pipe, rectangular pipe, embossed pipe, threaded pipe, platinum-plated tube.
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