基本解釋n. 轉(zhuǎn)向；形成對立；換質(zhì)法詞組短語短語obversion pump 翻轉(zhuǎn)泵hydraulic obversion 液壓翻轉(zhuǎn)obversion detail 將表面反過來obversion更多詞組專業(yè)釋義數(shù)學(xué)換質(zhì)(法)