例句 /

Careful consideration should be given to the weight of material and equipment to be lifted by cranes so that the safe working load of the crane is never exceeded.

Careful consideration should be given to the weight of material and equipment to be lifted by cranes so that the safe working load of the crane is never exceeded.

必须慎重考虑准备用吊车起吊的材料和设备的重量,决不可超过吊车的安全工作负荷。