... Perforated drain pipe 多孔管 perforated feed pipe 有孔给水管 ; 带孔内给水管 perforated anchor pipe 带眼锚管 ...
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Perforated Drain Tile Pipe 洞洞管
perforated cell drain-pipe cell 贯通细胞
Pipe perforated drain 多孔排水管
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