Operating multiple directional value can separately control the fore and aft motion of swing arm oil cylinder, outrigger oil cylinder or hook oil cylinder to finish working of hoisting or unloading.
操作多路换向阀可分别控制摆臂油缸、支腿油缸或锁钩油缸的伸缩运动，完成吊装或卸料工作。
Release the fore lashing rope, down with the boat and detach the fore hook.
解开前固艇索，放下小艇，松开前吊艇钩。
Release the fore lashing rope, down with the boat and detach the fore hook.
解开前固艇索，放下小艇，松开前吊艇钩。
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