单词	三连齿轮
释义	三连齿轮 sān lián chǐ lún three-speed gear
随便看	infrapatellar bursa infrapatellar fat pad infrapetiolar bud infraplutonic zone infraposed infraposition infra red infra-red infrared infrared absorber infrared-absorbing glass infra-red--absorption infrared absorption infrared absorption analysis infrared absorption cell infrared absorption hygrometer infrared absorption intensity infrared absorption method infra-red absorption spectra infrared absorption spectrometer infrared absorption spectrometry infrared absorption spectroscopy infrared absorption spectrum infra-red absorption spectrum analysis infrared absorption spectrum measurement