The Cleanness of Environment
... steel cleanness 钢洁净度 The Cleanness of Environment 环境整洁 Cleanness Defect per kilometer 千米疵点 ...
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短语
保持环境整洁
Neat Living Environment
;
keep the environment clean
帮助保持环境整洁
help keep the environment clean
为了环境的整洁
For environment neat
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