“laser guide of vertical shaft”的概念、定义、翻译、参考文献-科学参考

单词	laser guide of vertical shaft
释义	laser guide of vertical shaft Encyclopedia 工学建井测量释 laser guide of vertical shaft立井激光指向法在立井掘进砌壁的过程中，应用激光投点仪代替中心垂球，来标定立井井筒中心点即立井垂直凿进方向的方法。又称立井激光指向。
随便看	bounded Turing reducible to bounded ultrapower bounded universal quantifier bounded upwards bounded variable bounded-variable technique bounded variation bounded variation function bounded vector lattice bounded vector measure bound electron bound energy bound-free absorption bound free laser bound-free laser bound free transition bound-free transition bound homotopy bounding bounding box bounding chain bounding cycle bounding manifold bounding operation bounding polyhedral surface

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