求翻译："Dell requires suppliers to respond with order fulfillment within two hours. The only way suppliers can meet this expectation is to utilize our logistics management," explains Dave Hanley, director of business development for Ryder. "Dell maintains less than six days of inventory, and turns work-in-process approximately 264 times annually. The company uses our services to minimi~ein vestment in inventory, and to abolish 'dead space,' or 'nonproductive storage areas."'是什么意思？

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