“directional drilling”的概念、定义、翻译、参考文献-科学参考

单词	directional drilling
释义	directional drilling [dǝ`rek·shǝn·ǝl `dril·iŋ] ^ENGINEERING A drilling method involving intentional deviation of a wellbore from the vertical.
随便看	slicing slicing method slick slickens slickenside slickolite slick paper proof slide slide-back voltmeter slide conveyor slide gate slide projector slider slide rail slider coupling slide rest slider support slide rule slide-rule dial slide valve slide-wire bridge slide-wire potentiometer sliding sliding-block linkage sliding-chain conveyor

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