空气隔断排水指卫生器具的排水管出口在地面或溢流沿以下但是与受水器的底部或污水水面之间隔着一段空气
Air isolation drainage refers to the situation where the outlet of the drainage pipe of sanitary ware is on the ground or below the overflow edge, but there is a section of air between it and the bottom of the water receiving device or the sewage surface
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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