5) compass deviation 罗经自差 1. Possibility of correcting magnetic compass deviation while ship getting alongside the wharf; 船靠码头校正磁罗经自差 更多例句>> 6) compass calibration 磁罗经剩余自差测定补充资料:磁罗经 又称“磁罗盘”。利用磁针受地磁作用稳定指北的特性制成的指示地理方向的仪器。由...
待解决 悬赏分:1 - 离问题结束还有 磁罗经自差表(有效期一年)问题补充:匿名 2013-05-23 12:21:38 Magnetic compass is valid for one year from the difference table () 匿名 2013-05-23 12:23:18 magnetic compass from the table (valid for one year) 匿名 2013-05-23 12:24:58 Magneti...