常見例句雙語例句A kind of novel large liquid discharge pump that takes a pair of conjugate wheel as the working component has been put forward.提出了一種以一對共軛輪為工作元件的新型大排量液體泵。Note: 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。By installing a by-pass from the pump discharge back to the suction line.在泵的出口和入口管線間安裝旁通管線。www.infopetro.com.cn 返回 discharge pump