干罗经盘 dry compass card ; dry magnetic compass card
哑罗经盘 dunb compass
罗盘经纬仪 [测] compass theodolite ; magnetic theodolite ; theodolite with compass ; theodolite magnetometer
罗经刻度盘 compass card ; pelorus ; [水运] rhumb card
罗经标度盘 mariner's card ; compass card
哑罗经刻度盘 pelorus card ; dumb card
哑罗经哑罗盘 pelorus
罗经分度盘 compass dial
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