body back wall

基本解釋

In the bulkhead cross section, with is called by the supporting soil body immediate contact's spot the wall back;
在擋土墻橫斷面中，與被支承土體直接接觸的部位稱為墻背；
The water discharge opening (2) is provided at the front, back, left or right side wall of the squatting pan body (1).
所述的排水口（2）開設(shè)在所述的蹲便器主體（1）的前方、后方、左側(cè)或右側(cè)側(cè)壁。
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Damp toweling devices are respectively arranged on the upper end or the lower end of a steam bathing body (1) and the back lateral wall of an inner cavity of the steam bathing body (1).
是在蒸汽浴房體1上端部或下端部，以及其蒸汽浴房體1內(nèi)腔的后側(cè)壁上，分別設(shè)有搓澡裝置。
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