... Drainage Services Department 渠务署 drainage strip 排水带 drainage sump 集水井；排水集（考试大咨询工程师） ...
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介绍了设置集油坑排污管及库区沟网排水回收油脂系统的原理、方法、效果。
Introduced to plan an oil sump and sewer in the tanks and to design a sewerage system and recovery system of oils in the bulking area.
混凝土板应倾斜，这样可以让液体排入通向集油器或废水处理厂的排水管。
The concrete slab will be sloped so that liquids are drained into a drain pipe leading to an oil interceptor or a wastewater treatment plant...
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