锯口锉 锯口锉的英文 英语翻译 crosscut file; crossing file 拓展翻译 锯口kerf锯sawsaw锯齿sawtoothjag锯齿波sawtooth wave锯齿波发生器sawtooth generator锯齿波极谱法saw-tooth polarography锯齿波形sawtooth waveform锯齿波振荡器sawtooth oscillator锯齿波状电流sawtooth current锯齿的toothed锯齿构造serration锯齿拉刀serration broach锯齿链zigzag chain锯齿脉冲sawtooth pulse锯齿钳serrated pliers锯齿蛇舌状虫Porocephalus denticulatus锯齿式避雷器sawtooth arrester锯齿特性sawtooth characteristic锯齿奚蟹Potamon denticulatus锯齿形hackleserration