variable range marker読み方
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- variable range marker日本語の意味：variable range marker VRM[機械]〈00確F0036:造船用語―航海機器―レーダ〉; 可変距離環[機械]〈00確F0036:造船用語―航海機器―レーダ〉; 可変距離目盛[機械]
