能在硬质岩中进行钻孔的机具是()。
A.潜水钻
B.冲抓锥
C.冲击钻
D.回转钻
正确答案是D
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/1213633.html
上一篇:My thoughts were now wholly employed about securing myself against either savages, if any should appear, or wild beasts, if any were in the island; and I had many thoughts of the method how to do this and what kind of dwelling to make, whether I shou
下一篇:雅典城邦的最高权力机关是( )。