A.加研磨膏對(duì)研B.用油沖洗C.用刷子刷洗D.檢查齒側(cè)間隙
A.0.13~0.21B.0.15~0.20C.0.20~0.25D.0.20~0.23
A.11~13B.11.3~13.6C.11.1~13.5D.11.5~13.5