Not only new walls and new floors but a large radiant heating system was installed as well as new wiring, plumbing, drainage, insulation, and central air conditioning.
不仅是新的墙壁和安装新的地板，但一个大辐射采暖系统以及新的线路，管道，排水，保温，中央空调。
Read blueprints, drawings and specifications to determine layout of plumbing system, water supply network and waste and drainage systems.
解读蓝图，图纸和说明书用来配置管道系统，给水网，污水排水系统。
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