基本解釋[經濟學]購料合同材料采購合同英漢例句雙語例句The seller can choose by himself to purchase raw material stipulation stated in the contract.賣方能獨自選擇購買在契約被陳述的原料約束。fanrengu.netmaterial purchase contract更多例句詞組短語短語raw material purchase contract [工經]原材料采購合同material purchase contract更多詞組專業(yè)釋義經濟學購料合同材料采購合同