把一个高为3dm的圆锥体木料沿着它的高剖开,剖面刚好是一个等腰直角三角形,这个圆 发布时间:2017-05-12 03:18 │ 来源:www.tikuol.com 题型:填空题 问题: 把一个高为3dm的圆锥体木料沿着它的高剖开,剖面刚好是一个等腰直角三角形,这个圆锥的体积是______dm3.
题型:填空题 With more and more farmers moving to cities, an inadequate labor force is becoming a major factor affecting the country's grain output.A.automaticallyB.occasionallyC.absolutelyD.gradually 查看答案