解剖式牙的牙尖斜度为()。 A.33° B.20° C.10° D.15 发布时间:2017-09-02 06:11 │ 来源:www.tikuol.com 题型:单项选择题 A1/A2型题 问题: 解剖式牙的牙尖斜度为()。A.33° B.20° C.10° D.15° E.5°
题型:单项选择题 A1/A2型题 .China is one of the largest countries in the world, _______ 9.6 million square (平方) kilometers.A.to coverB.covered C.covers D.covering 查看答案