In the reconstruction design of a low-lying residential area of a coastal city, its rainwater and sewage drainage systems were reconstructed.
在某沿海城市低洼住宅小区的改造设计中,对其雨水、污水排水系统进行了综合改造。
In the reconstruction design of a low-lying residential area of a coastal city, its rainwater and sewage drainage systems were reconstructed.
在某沿海城市低洼住宅小区的改造设计中,对其雨水、污水排水系统进行了综合改造。
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