core drilling bit中文什么意思

core: n. 1.果心。 2.(事物、問題等的)中心，核心；精髓 ...
drilling: adj. 尖銳的，辛辣的。 drilling eyes ...
bit: bit1 bite 的過去式及過去分詞。
drilling bit: 鉆頭
core drilling: 取芯鉆井; 取芯鉆探；鉆取土芯；鉆取巖芯; 取心鉆進(jìn); 取心鉆井; 巖收鉆探; 巖心鉆采; 巖心鉆進(jìn); 巖心鉆探; 鉆取土芯；取芯鉆探; 鉆取巖芯

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Research of structure and performance of diamond core drill bit superfine base powder segments
超細(xì)基粉金剛石薄壁套筒鉆胎體的組織性能研究
In the paper , classification , application and technical requirement of the core drilling bit for uranium exploration are briefly discussed , and some key research achievement and application result of the core drilling bit are stated , and the emphases and trend of hit study is indicated
摘要文章概述了鈾礦勘查巖心鉆探鉆頭的分類、使用情況和技術(shù)要求，重點(diǎn)介紹了上世紀(jì)90年代以來我國(guó)鉆頭研究取得的主要成果及生產(chǎn)應(yīng)用效果，指出了今后鉆頭研究的重點(diǎn)和方向。

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