常見例句雙語例句Swing check with outside lever and spring to be used on sump, sewage and storm drain lines.行機(jī)構(gòu)的旋啟式止回閥用于污水坑、排污和雨水排泄管道。The worm wheel is formed by means of two components for better receiving the worm wheel on the lever spring.為了更好地將蝸輪接收在杠桿 彈簧上,該蝸輪兩件式地構(gòu)成。ip.comNote: On pump discharge, the preferred check valves are an in-line spring loaded, swing design with lever and weight or lever and spring.注意:在泵排泄口,首選的止回閥是管內(nèi)彈簧負(fù)載,帶杠桿和壓鐵或杠桿和彈簧的旋啟式止回閥。 返回 lever spring