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。
But because the loading, unloading, starting operation takes more time, so the equipment utilization rate is low, the production efficiency is not high.
整体结构紧凑，采购简单，操作和维修简便，装料卸料容易。
The whole structure is compact, simple operation and convenient application, easy repair, loading unloading.
此方法特别适用于手工操作来控制螺旋输送机的装料的场合。
This method is suitable to control the screw conveyor in manual loading.
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