coring

英 /'kɔ:rɪŋ/ 美 /'kɔrɪŋ/

中文释义

n.去除中心部分，地层中取出的圆形岩石样品，核化，钻取土样，晶内偏析

Working principle and structural features of SYZX 75 wire - line coring hydro - hammer are presented.

介绍了SYZX75型绳索取心液动潜孔锤的工作原理及结构特点.
A worker's arm was injured whilst operating a concrete coring machine.

工人在操作混凝土钻孔机时引致手臂受伤.
The utility model discloses a core claw in a coring tool.

本实用新型提供了一种取心工具中的岩心爪.