pollution-free plastic
... pollution-free 无污染；无污染的 pollution-free plastic 无污染塑料 pollution hazard 污染危害 ...
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无污染，本机箱体为聚氯乙稀塑料，外壳采用不锈钢和冷板静电喷塑壳两种。
Non-pollution, The pump body is made of polyvinyl chloride (pvc)plastics, and the onter cover is of cold-rolled steel plate with backing finish.
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