英语词汇“gravity railroad”的翻译、意思、用法、释义-英汉汉英词典

单词	gravity railroad
释义	gravity railroad (靠坡度使火车运行的)重力铁路以上来源于：《21世纪大英汉词典》 gravity railroad (藉坡度使火车下行的) 重力铁路gravity railroad重力铁路gravity railroad重力鐵路機械工程
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