用这个挂钩把客车车厢挂在机车上。

Lock the carriages on to the engine with this hook.

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据悉，一列客车车厢的重量为7吨。

The weight of a passenger coach is 7 tonnes.

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玩具火车的客车车厢用专门的挂钩挂上了机车。

The carriages of the toy train lock onto the toy train with a special hook.

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玩具火车的客车车厢用专门的挂钩挂上了机车。

The carriages of the toy train lock onto the toy train with a special hook.

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