... 改良法 modification 改良费 beneficial expenses 改良剂 amendment; improver; modifier; modifying agent ...
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Much energy is being consumed by Chinese railways every year. To save railway energy is beneficial to reducing expenses, increasing economic benefits and decreasing environmental pollutions.
铁路是我国能源消耗大户，节约铁路能源可以减少费用支出，提高经济效益和降低环境污染。
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