Shipbuilding . magnetic compasses and accessories . class a . type testing and certification 造船工业.磁罗盘和附件.类.型式试验和认证
Ships and marine technology . magnetic compasses , binnacles and azimuth reading devices . class a 船舶和航海技术. a级磁罗盘罗盘座和方位阅读装置
Ships and marine technology - magnetic compasses , binnacles and azimuth reading devices - class b 船和造船技术.磁罗盘罗盘座和方位读数装置. b级
Ships and marine technology - magnetic compasses , binnacles and azimuth reading devices - class b 船舶和海洋技术.磁罗盘罗经柜和方位读数仪. b级
Ships and marine technology - magnetic compasses , binnacles and azimuth reading devices - class a 船舶和航海技术.磁罗盘罗盘座和方位判读装置. a级
Ships and marine technology - magnetic compasses , binnacles and azimuth reading devices - class a 船舶和海洋技术.磁罗经罗经柜和方位读出装置. a级
Ships and marine technology - positioning of magnetic compasses in ships iso 694 : 2000 ; german version en iso 694 : 2001 舰船和造船技术.船用磁罗盘定位
Ships and marine technology - magnetic compasses and accessories - main dimensions and limit deviations 船舶和海上技术.磁罗盘和附件.主要尺寸和极限偏差
First , the " devil ' s triangle " is one of the two places on earth that a magnetic compass does point towards true north 首先, “魔鬼三角”是地球上指南针指向真北极的二个地方之一。
