常見例句雙語例句Basic formulas for the calculation of bar to bar voltage distributing curve of DC motor commutator are derived and test-verified.文中導(dǎo)出了計(jì)算直流電機(jī)換向器片間電壓分布曲線的基本公式和試驗(yàn)驗(yàn)證； 返回 bar commutator