free cleaning and dredging
王伟利：推进城肥网格化管理--中国城乡环卫网-新闻详细 关键词：网格化 化粪池 免费清疏 精细化 [gap=725]Key words: grid , urban cesspools, free cleaning and dredging , delicacy
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free cleaning and dredging
免费清洁和疏浚
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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By adopting the dredging machine for roads and wells, sanitation workers are thoroughly free of heavy physical labor when cleaning the roads and wells, and the work efficiency is greatly improved.
采用本发明路井清挖机，可使环 卫工人彻底解脱清理路井工作时的繁重体力劳动，并大大提高其工作效率。
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