可调整货物作业时的高度差，操作人员的劳动强度。
Height difference of cargo operation can be adjusted, facilitating operator's labor strength.
第三条进出口货物的重量和体积，以港口货物作业合同上所列数量为准。
Article 3 the weight and cubage of import cargo and export cargo shall be based on the amount as listed in the contract on cargo operating within a port.
货物作业停留时间是衡量货车使用效率和运输组织效率的一项综合性指标。
The retention time of cargo operations is a comprehensive index to measure the goods vehicle operating efficiency and the transport organization efficiency.
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