pe corrugated pipe production line
...挤出生产线 High Speed Pe Water & Gas Supply Tube Extrusion Line PE双壁波纹管生产线 PE Corrugated Pipe Production Line PPR管材高速生产线 PPR Pipe material production line ..
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pe corrugated pipe production line
PE波纹管生产线
以上为机器翻译结果，长、整句建议使用 人工翻译 。