单选题电磁计程仪所测定的航速和航程是船舶相对于()的速度和航速。A风和流B水C海底D以上均错
单选题
电磁计程仪所测定的航速和航程是船舶相对于()的速度和航速。
A
风和流
B
水
C
海底
D
以上均错
参考解析
解析:
暂无解析
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