而PP - R和铜管及其配件品种、规格都齐全，可以从6mm - 250 mm任意选用。
While PP-R and copper pipe and its accessories varieties, specifications are complete, from 6mm250mm arbitrary selection.
而PP - R和铜管及其配件品种、规格都齐全，可以从6mm - 250 mm任意选用。
While PP-R and copper pipe and its accessories varieties, specifications are complete, from 6mm250mm arbitrary selection.
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