单词	多段风口
释义	同多段风嘴--多段风口
随便看	series of rocks series of solid solution series of spectral lines series of strata series of subgroups series of variable terms series of variates series of wave series of x-ray lines series of years series of years, series ohmmeter series operation series-opposing series-opposing connection series-opposition bridge series output system series parallel series-parallel series parallel circuit series-parallel circuit series-parallel circuits series-parallel comparator series parallel connection series-parallel connection