Water closets must be vitreous china, wall-mounted, low flow, elongated bowls with touchless electronic automatic flush valve operation.
壁置式洁具须使用玻化瓷，低流速，加长式马桶使用无接触自动电子出水系统。
Vitreous China Plumbing Fixtures and Hydraulic Requirements for Water Closets and Urinals
瓷质卫生设备以及抽水马桶和小便池的液压要求
hydraulic performance requirements for water closets and urinals
冲水厕所和小便池的水力性能要求
six liter water closets equipped with dual flushing device
配备双冲设备的六升抽水马桶
Dual Flush Devices for Water Closets
抽水马桶双冲装置
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