词汇	直流电机
释义	直流电机医direct current machine
随便看	single polarity pulse single-polarity pulse single-polarity pulse-amplitude modulation single polarization single-polarization single polarization coupler single polarization fiber single-polarization fiber single polarization mode maintaining fiber single polarization optical fiber single polarization satellite single-polarization satellite Single-polarization single-mode single polarization single-mode fiber single-polarization single-mode fiber single polarization waveguide single-polarized antenna Single-polar SPWM singlepole single-pole cut-out single pole disconnector single-pole distribution switch single pole double throw single-pole double throw single-pole double-throw