复合管材有铝塑复合管、涂塑钢管、钢塑复合管、塑复铜管等。
There are aluminum-plastic composite pipe composite pipe, plastic pipe, steel-plastic composite pipe, copper pipe, and other complex plastic.
复合管材有铝塑复合管、涂塑钢管、钢塑复合管、塑复铜管等。
There are aluminum-plastic composite pipe composite pipe, plastic pipe, steel-plastic composite pipe, copper pipe, and other complex plastic.
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