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water mains短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 na.自来水总管;🌏自来水总管道;水管原型watermain的复数 Appliances intended to be permanently connected to the water mains shall not be connected by a detachable hose- set. 打算永久连接到水源的器具不应使用可拆卸软管装置。 rydq.org Even in Sana'a barely half the people are connected to water mains, which tend to come on stream only once or twice a week. 即便是在萨那,仅有半数居民能够接触到水管,而这些水管每周只出水一两次。 ecocn Hong Kong has one of the largest water mains rehabilitation programmes in the world. 香港拥有世界最大的水管修复项目之一。 trenchless Know how to turn off your gas and water mains. 知道如何关闭煤气和水管的总开关。 kekenet The disaster left at least55 people dead, destroyed or damaged thousands of homes, brought down major highways, and ruptured gas and water mains. 这场灾难造成了至少55人死亡,摧毁破坏了成千上万栋房屋,破坏了公路干线,造成了煤气和主输水管道破裂。55doc To minimise leakage and unaccounted-for water, a20- year programme for the replacement of some3050 kilometres of water mains was under planning. 为尽量减少漏水及流失食水,当局现正计划在20年内分阶段更换约3050公里的水管。 hotdic |