The principal purpose of magnetic compass adjustment is to（）.<br>A:reduce the variation as much as possible<br>B:reduce the deviation as much as possible<br>C:reduce the magnetic dip as much as possible<br>D:allow the compass bowl to swing freely on its gimbals

The principal purpose of magnetic compass adjustment is to（）.
A:reduce the variation as much as possible
B:reduce the deviation as much as possible
C:reduce the magnetic dip as much as possible
D:allow the compass bowl to swing freely on its gimbals

出自：海船船员证

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10252937】个 (题库试题定时更新)