对我而言,塑料盘子的制造、包装、运输和采购比洗盘子的成本更高。
The success and long-term purchase contracts signed in the mine and five-party agreement, but also eased the pressure on the Brazilian route COA ship.此次成功与该矿山签订长期采购合同和五方协议,也缓解了巴西航线COA船的压力。
This is illustrated by citing a case of purchase of bulldozers in Kunyang Phosphate Mine.以昆阳磷矿购买推土机为例作了说明。