A.石蠟 B.松香 C.石墨 D.松油
A.移送氣缸和行星變速箱 B.夾緊氣缸和行星變速箱 C.移送氣缸和夾緊氣缸 D.放氣閥
A.先用高檔大致對(duì)正后,再用低檔慢慢地準(zhǔn)確對(duì)正 B.先用低檔大致對(duì)正后,再用高檔快速地準(zhǔn)確對(duì)正 C.先用低檔大致對(duì)正后,再用中檔慢慢地準(zhǔn)確對(duì)正 D.先用中檔大致對(duì)正后,再用高檔快速地準(zhǔn)確對(duì)正