protecting environment cleaning 环保清洗
environment cleaning grade 环境净化级别
Environment cleaning and greening management 环境保洁
Cleaning up Our Environment 清洁我们的环境
environment protection cleaning 环保清洗
cleaning environment 清理环境
Cleaning up Our Environment- 清洁我们的环境
My job in the noodle shop is cooking, environment cleaning, and washing dishes.
我在面店里的工作是烹饪、环境清洁、和洗碗。
Pollution control and environment cleaning become the most important task in contemporary society.
防治污染、净化环境是当今社会的重要课题。
Aeration and dedusting system applied combined dedusting design to ensure the environment cleaning.
通风除尘系统采用组合风网、布筒除尘器最终净化方式，确保车间内外的环境卫生。
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