On returning pump to discharge elbow, lower hoistcable until it is slack.
放松起重机吊索，使泵回到排泄弯管。
2
Most people use electric hoist from the ground to follow the manipulation button can also be manipulated in the drivers or indoor cable (wireless) remote control.
多数电动葫芦由人用按纽在地面跟随操纵，也可在司机室内操纵或采用有线(无线)远距离控制。
3
At present, the cable pulley is widely used in all kinds of general bridge (the door) mobile power supply cranes, electric hoist car, warehouse, shipyard, dock hoisting equipment.