Abstract: as the modern logistics activity is realized by material, commodity space move conveyors, time shift of custody, circulation processing, packing, loading and unloading elements, etc.

摘要：作为现代物流活动是由实现物质、商品空间移动的输送、时间移动的保管、流通加工、包装、装卸等元素构成。

youdao

Second, we must strengthen institutional construction. We must supervise and inspect strictly each of the links from raw material production, processing, circulation to consumption.

第二，要加强制度建设，从原料生产、加工、流通、消费每个环节都要进行严格监督和检查。

youdao

The paper has introduced constructional properties, applicable sphere of pumping reverse circulation drilling, and its technical demands and the reasons of common hitchs and processing methods.

介绍了泵吸反循环钻进的施工特点、适用范围、施工中的技术要求与常见故障的原因及处理方法。

youdao