Also can be used to produce copper - covered aluminum, aluminum - covered steel wire and aluminum - plastic steel - plastic compound pipe.

也可用于生产铜包铝 、 铝包钢线及铝塑、钢塑复合管.

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Compared with Aluminum - Polyethylene Compound Pipe, PP - R pipe may be manufactured in large diameter.

PP -R 管同铝塑复合管相比, 可以生产大口径的管材.

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