论文部分内容阅读
如图所示的手动泵,泵体内径88.9毫米,活塞行程216毫米,操作手柄长755.6毫米,适合抽吸动水位在6米以内的地下水。
As shown in the manual pump, the pump body diameter of 88.9 mm, piston stroke of 216 mm, operating handle length of 755.6 mm, suitable for pumping water level within 6 meters of groundwater.