翻译:指挥吊车带上劲. 补充:吊车带上劲,就是指吊车吊重物时刚刚吃上力的状态.

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翻译:指挥吊车带上劲. 补充:吊车带上劲,就是指吊车吊重物时刚刚吃上力的状态.

conduct the crane with ropes under stress,

Command crane belt drive. Supplement: Crane belt drive, is refers to the crane weight just eat on stress state.

to direct the operator to put weight on the crane

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