单词	plough tail
释义	同PLOUGH-TAIL
随便看	harmonic fold harmonic folding harmonic force harmonic fractional pole model harmonic fractional pole-zero model harmonic frequency harmonic function harmonic--function harmonic gear drive harmonic gear drive mechanism harmonic gear drive with radial gear meshing harmonic gear drive with transverse gear meshing harmonic gear increaser harmonic gear reducer harmonic generater harmonic generation harmonic generator harmonic grating harmonic group harmonic gyrotron harmonic gyrotron amplifier harmonic habitat harmonic, harmonical harmonichord harmonichords