mrl
abbr.
medium-powered radio range (loop radiators) 中功率导航信号台（回路发射天线）;
motor refrigerator lighter 汽车制冷装置点火器;
multiple rocket launcher 多级火箭发射架;
多轨火箭发射装置;
例句:
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The former Soviet republic of Armenia remain the only user of the WM - 80 MRL.
前苏联亚美尼亚共和国一直是WM-80式MRL的 唯一使用者.
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All the detection limits for organophosphorus pesticides are lower than the MRL values of European Norm.
有机磷农药检出限小于欧盟对茶叶的MRL值.