求翻译：3冲筋房间四周从+50cm水平线下反至底灰上皮标高（从地面平减去面砖厚度及粘结砂浆厚度）。抹灰饼，房间中隔1m左右冲筋一道，有地深漏的房间应由四周向地漏方向做放射形冲筋，并找好坡度，冲筋应使用于硬性砂浆，厚度不宜小于2cm。是什么意思？

3 red muscle from +50 cm horizontal line around the room under the anti-epithelial elevation to the bottom ash (from the ground level and subtracting the thickness of tile adhesive mortar thickness). Plaster cake, about 1m across the room a red muscle, there is room to deep drain leakage by four wee

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3 flushes the muscle room all around instead (evenly to subtract face brick thickness and caking mortar thickness from the +50cm level line to the bottom ash epidermis elevation from ground).The plastering cake, in the room separates about 1m to flush the muscle together, has the room which leaks de

From +50cm level 3 charging rib House four weeks of anti-to the bottom ash epithelial elevation (minus the bonding mortar tile thickness and thickness from the ground). Plastering cakes, room separated in 1M washed gluten, deep leakage around the room should be radial to the floor drain Chong tendon