masses drill中文什么意思
群钻
- mass: n. 1.块,堆,团。 2.群众,集 ...
- drill: n. 【动物;动物学】(西非的)鬼狒 ...
- into the masses: 到群众中去
例句与用法
- A cylindrical mass drilled vertically into the earth and removed from it to determine composition or presence of oil or gas
钻心圆柱形物质,用于垂直地钻入地下然后取出以测定石油或天然气的组成或存在