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我们研制了适用于动水位8~15米井的手压深井泵(见图),使用效果较好。活塞拉杆长度由井的动水位决定,动水位14~15米时,
We have developed a hand pressure deep well pump (see photo) suitable for well water level 8 ~ 15m well, the use effect is better. Piston rod length determined by the well water level, water level 14 to 15 meters,