running cost
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美
- 经营费用,运转成本,操作成本
双语例句
- By using the new method,the mild condition,shorter reaction time,lower cost and higher yield were achieved.The waste water wase reduced.
结果表明该法具有反应条件温和，反应时间短，操作成本低，废水减少和收率高等优点。
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