That can include beams, posts, drain lines, water piping or surface-mounted wires.
包括横梁、柱子、排水管道、供水管道或表面贴装线。
Spring-actuated valve to be used on pump discharge. Swing check with outside lever and spring to be used on sump, sewage and storm drain lines.
弹簧执行机构止回阀用于管道排放。外置操作手柄和弹簧执行机构的旋启式止回阀用于污水坑、排污和雨水排泄管道。
A bathroom cabinet that encloses a basin and its water lines and drain, usually furnished with shelves and drawers underneath for storage of toiletries.
一种浴室里的壁橱，附有盆和水线以及排水装置，通常在下方装备有用来装化妆用具的搁板和抽届。
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