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Terms for subject Earth sciences containing gear | all forms | exact matches only
EnglishChinese
back gear倒档齿轮
double gear双齿轮传动
gear air turbulence晴空湍流
gear box变速箱｛钻｝
reductions gear减速齿轮箱
reductions gear减速器
screw gear蜗轮传动
screw gear螺旋传动
variable speed gear变速传动装置
variable speed gear motor变速式齿传动马达

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