通过一个刚性套筒联轴器，泵轴被连接至电机轴上。
Through a rigid sleeve coupling, pump shaft was connected to the motor shaft.
本发明公开一种用于输送液体的手动泵阀管，它是由一个手动波纹管或套筒活塞泵，分别同一个流量控制阀门组合为一体。
It is an integral entity which is made up of a manual corrugated pipe or sleeve piston pump and a flow controlling valve. It is suitable for liquid suction, pressing and siphoning.
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