drain lines group 排放管组件
crankcase drain lines plug 曲轴箱排油管螺塞
fuel drain lines group 燃油排放管组件
propellant fill-drain lines 推进剂加泄管
Drain lines for T&P valve 用于T和P阀的排水管
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。
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