基本解釋拖板同根派生 planker相關(guān)詞英漢例句sliding planker mechanism of bearing raceway lapping machine 軸承滾道超精研機滑移拖板機構(gòu)Keywords sliding planker mechanism of bearing raceway lapping machine;lubrication;improved design; 軸承滾道超精研機滑移拖板機構(gòu);潤滑;改進設(shè)計;planker更多例句