计划指出排水沟和排水管固定装置，而管道工则构想如何布置管道和连接到总水管和下水道。
The plans show the drains and plumbing fixtures, but the plumber figures out how to route the pipes and hook up to the water main and sewer.
该厨房排污水封臭气装置结构简单、制造容易，使用清洁的特点，能保持厨房卫生，不堵下水道，并能减少麻烦。
The utility model has the advantages of simple structure, easy production, and clean use; the sanitation of a kitchen can be kept, a sewer can not be clogged, and troubles can be decreased.
这些物质发泡以后漂浮在水面，越堆越多，越积越厚，终于从浮选装置逸出排入下水道。
These substances foam floating on the surface of the water, after the pile of the more, the product is thicker, finally from flotation device to escape into the sewer.
应用推荐