Write a simple VB program hook lock!
VB写的一个简单挂机锁程序！
Lock the carriages on to the engine with this hook.
用这个挂钩把客车车厢挂在机车上。
The carriages of the toy train lock onto the toy train with a special hook.
玩具火车的客车车厢用专门的挂钩挂上了机车。
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。
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。
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