tangent compass


  • 翻译:正切罗盘

同义词

1)tangent compass,正切罗盘2)compass calibration; compass swing(U.K.),校(正)罗盘3)compass correction card,罗盘修正表4)compass base,罗盘校正台5)compass correction card,罗盘校正表6)compass calibration,磁罗盘校正

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