It is said the such toilets are healthier, more water-saving, and easier to clean and maintain.
推崇这种设计的人认为这种厕所更卫生、更节水，并且容易清扫和保持。
This includes to maintain clean water including e.g. healthy fish populations, as well as to reduce risks or impacts of floods, avalanches, erosion and droughts.
这包括保持清洁水源，例如健康鱼群，还包括降低洪水、雪崩、水土流失、干旱的风险或影响。
Check, maintain and clean the diesel-engine generator sets, compressor, oil and water supply equipment, etc. and keep them in work condition.
检查、维保和清洁柴油发电机组、压缩机、供水供油设备，保证其良好的工作状况。
How to wash and maintain: dip it in clean water, smear detergent or shampoo and scrub it, wash and dry it by hand and by wind, place it in the tube.
清水冲湿后，取适量洗涤灵或洗发水顺毛轻轻捋搓羽毛，清水冲掉泡沫后攥干水分，放在通风阴凉的地方或用吹风机烘干后放在专用毽筒中即可。
It is the key to clean and maintain the safety of gas water heater whether it can remove poisonous gas in time.
能否及时排走有毒气体，就成为燃气热水器清洁养护安全性的关键。
It is the key to clean and maintain the safety of gas water heater whether it can remove poisonous gas in time.
能否及时排走有毒气体，就成为燃气热水器清洁养护安全性的关键。
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