... 敷设排水渠道 draining 排水渠道接驳 drainage connection 地面水渠道；排水明渠 surface water channel ...
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The water-air mixture is drained through connection the connection pipeline may be used for drainage, however it must not be lockable.
水-空气的混合液是经接口排泄，这个管路可以用作泄放，但是不能关闭。
Connection between dam, foundation, bank slopes and other structures has to be strengthened, and drainage and anti-filtering facilities have to be properly arranged to avoid accident mentioned above.
加强坝与地基、岸坡或其他建筑物的连接，合理布置排水及反滤设施，以避免事故的发生。
The connection technique of large diameter old-new drainage pipes has been discussed under the complicated condition.
探讨了处于复杂环境下的大口径新老排水管道的连接技术。
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