“ball-up”的概念、定义、翻译、参考文献-科学参考

单词	ball-up
释义	ball-up [`bȯl ´ǝp] ^ENGINEERING 1. During a drilling operation, collection by a portion of the drilling equipment of a mass of viscous consolidated material. 2. Failure of an anchor to hold on a soft bottom, by pulling out with a large ball of mud attached.
随便看	standard temperature and pressure standard terminal arrival route standard test-tone power standard time standard ton standard trajectory standard visibility standard visual range standard volume standard waveguide standard wiggler standard wire rope standby battery standby computer standby power source standby register standby replacement redundancy standby time stand fire standing cloud standing crop standing ground standing knee height standing-on-nines carry standing operating procedure

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