The tannery wastewater contains difficult degradation substances with high strength and large number of suspended substances, seriously polluting the environment.

皮革废水难降解物质含量高，且含有大量的悬浮物质，对环境污染很大。

youdao

Good insulation properties, high strength, durability, and non-corrosive, non-polluting, the company "s products are asbestos-free system."

绝热性能好，强度高、耐久性好、无腐蚀、无污染，本公司产品均为无石棉制。

youdao

Good insulation properties, high strength, durability, and non-corrosive, non-polluting, the company's products are asbestos-free system.

绝热性能好，强度高、耐久性好、无腐蚀、无污染，本公司产品均为无石棉制。

youdao