multi-needle compass card
多磁针罗经标度盘 multi-needle compass card 罗经 [航海学] (罗盘) compass 电罗经 gyrocompass;磁罗经 magnetic compass; 航海罗经 mariner's ..
基于30个网页-相关网页
... compass card axis 罗经卡基线 needle compass card 多磁针罗经标度盘 three figure compass card 三位度数罗盘 ...
基于8个网页-相关网页
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