n.减少装卸费用至最低限度 minimize loading and unloading costs: 减少装卸费用至最低限度loading and unloading: 搬运装卸; 装卸工作; 装载unloading cost: 卸货费用automatic loading and unloading device: 自动装卸设备careless loading and unloading: 野蛮装卸下载手机词典可随时随地查词查翻译