大家在查：高志鹏 0.1亿 familybiography MCM-56 南雁方华闷罐 Polman 杨炼 palp

管传送

管传送

管传送

管传送

1

Dykes allowed police to pass the boy's medication and crayons in througha PVC ventilation pipe .

达克斯允许警察通过 PVC 材质的通风管传送男孩的药物和蜡笔。

2

Pneumatic tube systems - Conveyor tube , conveyor tube bend and sleeves for pneumatic tube lines of unplasticized polyvinylchloride (PVC-U)

管道风动传送系统 .无增塑剂聚氯乙烯（硬聚氯乙烯）传送管，传送管弯头和接头

3

Pneumatic tube system - Conveyor tubes , conveyor tube bends and sleeves for pneumatic tubes lines in steel and stainless steel

风动管道系统 .由钢和不锈钢制的风动管道系统用传送管，传送管弯头和套管

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