圆柱 的中文句子和英文句子

椭圆柱与组成要素垂直的所有圆柱形表面或柱体的部分是椭圆形的柱体

A cylindrical surface or solid all of whose sections perpendicular to the elements are elliptical.


（打火机用的）电石一种由能产生火星的、坚硬的合金小圆柱体，用于点燃打火机燃料

A small solid cylinder of a spark-producing alloy, used in lighters to ignite the fuel.


桶一种不漏水的圆柱形容器，顶部敞开并安有把手；水桶

A watertight cylindrical vessel, open at the top and fitted with a handle; a bucket.


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

A cylindrical mass drilled vertically into the earth and removed from it to determine composition or presence of oil or gas.