求翻译：所谓同层排水，是指卫生间内卫生器具的排水管（包括排污横管和排水支管）不穿越本层楼板进入下层空间，而是与卫生器具同层敷设，在本层套内接入排水立管的建筑排水系统。是什么意思？

The same floor of the so-called drainage, sanitary ware in the bathroom drain (including sewage cross pipe and drainage pipe) does not pass through the floor slab into the lower space, but with the same sanitary ware layer laying, drainage legislation in this layer comprising access tube building dr

With so-called drainage layer, is a toilet in the health facilities (including sewage pipes cross tube and a drain tube) support is not crossing the floor to floor space, but with lower health apparatus floor, laying on the floor in suite into the drainage pipe to the construction of drainage system

So-called with level draining water, is refers to in the bathroom the hygienic appliance discharge pipe (including pollution discharge crossing canal and draining water branch) does not pass through this floor to enter the lower level space, but is with the hygienic appliance with the level placing,

The so-called same floor wastewater discharge, and refers to the health apparatus water drainage in the toilet (including cross sewage pipes and drain pipes) without passing through the floor into the lower deck space, instead of laying layer with sanitary ware, within this layer set into vertical s