loading and unloading operation [交] 装卸作业
But because the loading, unloading, starting operation takes more time, so the equipment utilization rate is low, the production efficiency is not high.
但由于装料、卸料、起动等操作占用时间较多，因此设备利用率低，生产效率也不高。
The whole structure is compact, simple operation and convenient application, easy repair, loading unloading.
整体结构紧凑，采购简单，操作和维修简便，装料卸料容易。
The paper deals with the characteristics of refinery products handling and the present status of automation in the way of loading and unloading operation, storage and shipping.
本文介绍了炼厂油品储运的特点及油品的进出厂装卸作业、储存和输送等方面的自动化现状。
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