1) keeping river courses clean
河道保洁
2) cleaning and keeping clean
清洁保洁
1.
The quality of cleaning and keeping clean is very important to lubricating oil washing of Italian compressor system and quality and time period of overall compressor construction.
文章介绍了大型压气站工艺管道清洁保洁工作的具体做法。
3) cleaning
[英]['kli:nɪŋ] [美]['klinɪŋ]
保洁
1.
Cleaning Work in Our Hospital: An Investigation and Analysis;
我院保洁工作的调查与评价
2.
A kind of device for city road cleaning and sweeping machine with common bicycle is studied.
研制出一种能与普通自行车配套工作的城市道路保洁清扫装置,用于城市道路的保洁工作。
4) inland waterway insurance
内河航道保险
5) clean river;stream health
清洁河流
6) Coat for keeping-cleanliness
保洁涂料
补充资料：保洁
保持清洁：～车ㄧ加强公园的～工作。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条