本文具体从以下几个方面对国产清扫车作了较为全面、深入、的探索和研究。
The dissertation has probed and researched from following several aspects to domestic road sweeper.
客用电梯，早中班每4小时清扫一次，如发现脏了随时清扫，夜班作全面清洁。
Guest use elevator, early middle shift every 4 hours cleaning a, such as the discovery of dirty at any time, a comprehensive clean clean night shift.
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