啮合系数;重叠系数;重合度

contact ratio的用法和样例：

例句

The line of contact is longer and the contact ratio is bigger, the meshing stationarity is good.渐开线弧齿圆柱齿轮具有较长的齿面接触线和较大的啮合重合度，齿轮副啮合平稳性好。

大学英语四级词汇 i

I pron.我 ice n.冰；冰冻甜食 vt.冰冻，使成冰 ice-cream a. 冰淇淋的,乳白色的 idea n.主意，想法；概念，思想；计划，建议 ideal a.理想的，完美的；空想的，观

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2018年CRI China will significantly cut auto import tariffs from July

China will slash import tariffs for automobiles and auto components by a substantial margin starting July 1, as part of its efforts to further open up the world's largest car market. For cars, the 25-percent tariff levied on 135 items and the 20-perc

发表于:2019-02-14 / 阅读(58) / 评论(0)

2018CRI中国国际广播电台

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a long hundred

accessory nerveinjury

available (earned) surplus