“sighting-tube”的概念、定义、翻译、参考文献-科学参考

单词	sighting-tube
释义	sighting-tube Astronomy sighting-tube窥管; 望筒
随便看	level crossing level-crossing effect Level crossing management level-crossiong effect level curve level degeneracy level density level design level diagram level difference level ellipsoid level error level function level hypersurface leveling leveling adjustment leveling coefficient leveling control network leveling effect leveling instrument leveling line leveling of production leveling origin leveling rod leveling solvent

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