“塔式钻具”的概念、定义、翻译、参考文献-科学参考

单词	塔式钻具
释义	塔式钻具 Encyclopedia 工学钻井装备释 tower assembly塔式钻具由下大上小的几段不同尺寸钻铤组成的钻具组合。利用近钻头端大尺寸钻铤的钟摆力进行纠斜。
随便看	Shandong water conservancy Shandong yangge music Shandong Yangqin Shandong Yang-qin narrative singing music Shan E Shane Gould Shane Telescope Shanga Shang Bao Shangbo Shangcai Xian Shang Changrong Shangcheng Museum in Yanshi Shangcheng Qu Shangcheng Xian Shang Chengzuo Shang-ch'ing sect of Taoism Shangchuan Dao Shang county Shangdachen Dao Shangdang ancient sacrifice opera writing scrolls Shangdang Bangzi opera Shangdang Banzi Opera Shangdang county Shangdang Guan

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