hpgc
abbr. 按陀螺罗经航向(heading per gyrocompass)
heading per gyrocompass [海]按陀螺罗经航向
cobaltite indulgence pinstripe unthanked untiring viceroyship下载迅蛙App
abbr. 按陀螺罗经航向(heading per gyrocompass)
heading per gyrocompass [海]按陀螺罗经航向
cobaltite indulgence pinstripe unthanked untiring viceroyship