When finish hoisting operate multiple directional value lock the hook, and then take back outrigger.

吊装完成后要操作多路换向阀锁上锁钩，然后收回支腿。

youdao

When finish hoisting operate multiple directional value lock the hook, and then take back outrigger.

吊装完成后要操作多路换向阀锁上锁钩，然后收回支腿。

youdao