sewage sump

基本解釋

Swing check with outside lever and spring to be used on sump, sewage and storm drain lines.
行機構的旋啟式止回閥用于污水坑、排污和雨水排泄管道。
Swing check with outside lever and spring to be used on sump, sewage and storm drain lines.
外置操作手柄和彈簧執(zhí)行機構的旋啟式止回閥用于污水坑、排污和雨水排泄管道。
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.
彈簧執(zhí)行機構止回閥用于管道排放。外置操作手柄和彈簧執(zhí)行機構的旋啟式止回閥用于污水坑、排污和雨水排泄管道。