Recovery and achieve effective clean waste recycling.
回收并清洁某些废弃物实现有效再利用。
Animal waste management and clean production technology in animal husbandry.
动物废弃物管理与畜牧业清洁生产技术。
Another way to save water is not to waste any drop of clean water.
另一种方法，节约用水是不浪费任何一滴干净的水。
We'd better clean out the drawers which are full of waste paper.
我们最好把装满废纸的抽屉清理干净。
With good glue protection, the machine can keep clean and avoid waste and loss.
高精度挡胶、能保持整机清洁，减少浪费；
Please keep our classroom clean and don't throw the waste paper about.
请保持教室干净，不要乱扔废纸！
Check if waste bin is clean and with paper (S-logo) inside.
确保垃圾桶清洁并放有带店徽的纸垫。
The waste water from cities is made clean and back into rivers.
城市的污水被净化后，再排放到河流里。
The waste water from cities is made clean and back into rivers.
城市的污水被净化后，再排放到河流里。
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