abbr. Omega Positioning and Locating Equipment 
伽定位设备
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Aqualon, aqualung, aquamanile, aquamarine, aquamarinus, aquamarsh, aquametry, aquamotrice, aquanaut, aquanautics,
相似单词
opium den, opium poppy, opiumism, opiumize, OPL, OPLE, OPLR, OPM, OPO, opodeldoc,