英语词汇gravity roller是什么意思，gravity roller的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	gravity roller
释义	gravity roller　重力(非传动)辊道
随便看	showbiz showboat showboat showboat showboat showboated showboated showboating showboating showbread showbread showbusiness showbusiness showcard showcase showcase showcase showcase showcased showcased showcases showcases showcases showcasing showcasing

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