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词汇 Gyro theodolite
分类 英语词汇 英语翻译词典
释义

Gyro theodolite

英语百科

Gyrotheodolite

A Wild GAK gyroscope mounted on a Wild T-16 theodolite.

A gyro-theodolite is a surveying instrument composed of a gyroscope mounted to a theodolite. It is used to determine the orientation of true north. It is the main instrument for orientation in mine surveying and in tunnel engineering, where astronomical star sights are not visible.

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