词汇	limit frequency
释义	limit frequency 🌏极限频率
随便看	mechanical receptor mechanical reciprocal agitator mechanical reclaiming process mechanical recognition mechanical recognition system Mechanical recompression mechanical recongnition system Mechanical reconstruction of ramming machine mechanical record mechanical recorder mechanical recording mechanical recording head mechanical recovery mechanical recovery method mechanical recovery well mechanical rectification mechanical rectifier mechanical recycling mechanical reduction mechanical reduction gear mechanical reference surface mechanical refining mechanical refining process mechanical refrigerated milk cooler mechanical refrigerated truck