coring bit [英] [ˈkɔ:rɪŋ bɪt] [美] [ˈkɔrrɪŋ bɪt] [短语] 取芯钻头 词频排名 47591/55435 学习人数 626 难度等级 4/10 认知比例 45.69% 例句 Sample is obtained with a coring bit. 用取芯钻头取样。 Coring bit helps people to know what rocks the drill has reached. 取芯钻头帮助人们知道钻头已经到达什么样的岩层。 助记 词根 Core核 核心