单词	原鳍类
释义	原鳍类archipterygium
随便看	integral rubber integrals integral scale integral-- scattering integral scheme integral shaft integral shaft generator integral shroud blade integral shrouded blade integral sign integral slot winding integral-slot winding integral spectrum integral square error integral square error criterion integral square error performance index integral surface integral switching device integral symbol integral tank integral test integral time integral-- time integral time constant integral time--reset time