单词	numbered card
释义	numbered card 编号卡片
随便看	deflection crank slider mechanism deflection crash switch deflection criterion deflection current deflection current amplifier deflection curve deflection-curve deflection curve differential equation deflection curve equation deflection defocusing deflection defocussing deflection deformation survey deflection defousing deflection degree deflection detection deflection device deflection diagram deflection difference deflection differences deflection differences of longitudinal beams deflection, digital deflection dispersion deflection display deflection distance deflection distortion