基本解釋牙輪鉆頭；旋轉(zhuǎn)鉆頭同根派生 roller bit相關(guān)詞英漢例句雙語例句In this paper, on the basis of the results obtained from the bench and field tests of the three roller bit, its improving direction is approached.本文以三牙輪鉆頭的臺(tái)架試驗(yàn)和油氣田現(xiàn)場試驗(yàn)的效果為依據(jù)，探討三牙輪鉆頭的改進(jìn)方向。Analysis of the side-wall pattern shows that the side-cutting process of the roller bit is related to not only the teeth surface design but also the rock property and the drilling parameters.井壁模式分析說明，牙輪鉆頭的側(cè)向切削過程不僅與齒面結(jié)構(gòu)有關(guān)，而且與巖石性質(zhì)、鉆井參數(shù)有關(guān)。The investigation directions of the high speed roller bit sealing are put forward in the future.針對這些情況提出高速牙輪鉆頭軸承密封在今后的研究方向。lib.swpu.edu.cnroller bit更多例句詞組短語短語roller r bit 牙輪鉆頭roller bearing bit 滾柱軸承鉆頭roller cone bit 牙輪鉆頭roller cutter bit 牙輪鉆頭cross roller rock bit 十字形四牙輪鉆頭roller bit更多詞組專業(yè)釋義能源科學(xué)技術(shù)牙輪鉆頭地球科學(xué)牙輪鉆頭機(jī)械工程旋轉(zhuǎn)鉆頭