例句與造句

1. 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
2. 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(lèi)、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(lái)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。
3. It's difficult to find core drilling bit in a sentence. 用core drilling bit造句挺難的