| 1. | General specifications for marine a class magnetic compass
级磁罗经通用技术条件
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| 2. | Marine magnetic compass of class b general specifications
级磁罗经通用技术条件
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| 3. | Shipbuilding . magnetic compasses . example of data sheet
造船工业.磁罗盘.数据单示例
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| 4. | Specification for aircraft magnetic compass , direct - reading
航空用直接读数磁罗盘规范
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| 5. | Magnetic compasses and binnacles - glossary of terms
磁罗盘及罗盘座规范.第4部分:名词术语
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| 6. | Magnetic compasses for sea navigation - vocabulary
航海磁罗经名词术语
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| 7. | Aircraft equipment . standby magnetic compass
飞机设备.备用磁罗盘
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| 8. | General specifications of marine autopilot with magnetic compass
船用磁罗经自动操舵仪通用技术条件
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| 9. | Ships and marine technology . positioning of magnetic compasses in ships
船舶技术.船舶磁罗盘的定位
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| 10. | Greenland was discovered without the use of magnetic compasses
格陵兰岛被人类发现没有借助于磁罗盘。
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