[机] 齿尖圆弧衔接点圆直径

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发表于:2018-11-30 / 阅读(259) / 评论(0)

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Quarter 25分硬币 A quarter is an American or Canadian coin. quarter是指美国或加拿大的一种硬币。 How much is a quarter? 这种硬币值多少钱呢？ A quarter is equal to 25 cents. 它等价于25分。 It is worth one fourth of a do

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发表于:2018-12-13 / 阅读(236) / 评论(0)

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发表于:2018-12-16 / 阅读(224) / 评论(0)

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发表于:2018-12-28 / 阅读(177) / 评论(0)

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图片1 circle n．圆周，圆形物，派系，循环 v. 围，环绕，盘旋例句：I need experience to get a job, but without a job I can't get experienceit' s a vicious circle．我得有经验才能找到工作，可是没有工作我就无法

发表于:2018-12-30 / 阅读(167) / 评论(0)

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发表于:2018-12-30 / 阅读(232) / 评论(0)

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algebra n. 代数 algorithm n. 运算法则 circumference n. 周长 curve n. 曲线 database n. 数据库 decimal adj/n. 十进制 diameter n. 直径 dimension n. 维 equation n. 方程式 facet vt. 刻画平面 geometry n. 几何学 graphic adj. 生动

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