Preventative maintenance in the form of weekly cycling to keep the threads clear and frequent checking of the packing for leaks are very beneficial.

每周保持螺纹清洁和经常检查衬垫是否泄漏的形式的预防性维护是非常有益的。

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Except checking and accepting, storing and keeping, taking and supplying merchandise, the process of storage includes packing, processing in circulation, selecting and transportation.

仓储活动除以商品入库验收，储存保管和出库供应为主外，还包括包装、流通加工、分拣、配送和运输等。

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