... drainage and irrigation equipment 排灌设备 Water Drainage Equipment 建筑排水设备 Irrigation and drainage equipment 灌溉和排放设备 ...
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The water supply and drainage equipment on the 24 type, 25a type passenger cars in our country and several high speed passenger cars abroad are described in detail.
详细介绍了我国24型、25 A型客车及国外几种高速客车的给排水装置，提出了我国高速试验列车给排水装置的选择建议。
Provide high cost of water supply and drainage equipment, water quality standards, safety, environmental protection, low cost.
提供高性价比的水处理设备、水质达标、安全、环保、成本低。
The water supply and drainage equipment in rural areas improved continuously, the housing conditions and hygienic facilities accessed the levels of urban areas.
农村居民给排水卫生设备不断完善，住房条件、卫生设施接近城镇居民。
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