求翻译：按时按量按质完成采购供应计划指标，积极开拓货源市场，货（价）比三家，选择物美价平的物资材料，完成下达的降低采购购成本的责任指标。是什么意思？

Complete the procurement and supply plan targets on time and quantity and quality, and actively explore the supply of market goods (price) than the three, choose a reasonable price level materials for completion of assigned responsibility indicators reduce the purchase cost of procurement.

The quality on time and on completion of the procurement plan supply sources, develop indicators, the market (price) than 3, the US price, choose the material, complete the release of the lower purchase cost of purchase.

On time in proper amount completes the purchase supply plan target according to the nature, develops the source of goods market positively, the goods (price) compared to three, the choice beautiful price even commodity material, completes issuing to reduce the purchase to buy the cost the responsibi

Quantity and quality indicators of supply projects have been completed on time, actively explore sourcing market, domestic (price) than the three, select the price of supplies of materials, complete purchase purchase cost reduction of responsibility issued by index.

正在翻译，请等待...