加工φ<sub>100</sub>的孔,常采用的加工方法是()
A、钻孔
B、扩孔
C、镗孔
D、铰孔
A、钻孔
B、扩孔
C、镗孔
D、铰孔
A、以φ42为粗基准,加工φ20的孔,以φ20为精基准,加工外表面 B、以φ42为粗基准,加工φ20的孔,加工外表面 C、以φ20自为基准,加工φ20的孔,以φ20为精基准,加工外表面 D、以φ42为粗基准,加工φ40的外表面,以φ40为精基准,加工φ20的孔
A、H<sub>1sub>>H<sub>dsub> B、φ<sub>dsub>>φ<sub>1sub> C、H<sub>1sub><H<sub>dsub> D、φ<sub>dsub><φ<sub>1sub>
A、R<sub>0sub>、R<sub>50sub>;R<sub>0sub>、R<sub>100sub> B、R<sub>0sub>、R<sub>100sub>;R<sub>100sub>/R<sub>0sub> C、R<sub>100sub>/R<sub>0sub>;R<sub>0sub>/R<sub>100sub> D、R<sub>0sub>/R<sub>100sub>;R<sub>0sub>、R<sub>50sub>
A、B<sub>1sub><B<sub>2sub>,Φ<sub>1sub><Φ<sub>2sub> B、B<sub>1sub>=B<sub>2sub>,Φ<sub>1sub><Φ<sub>2sub> C、B<sub>1sub>=B<sub>2sub>,Φ<sub>1sub>>Φ<sub>2sub> D、B<sub>1sub>>B<sub>2sub>,Φ<sub>1sub>>Φ<sub>2sub>
A、100W<sub>干sub>/100-M<sub>水sub> B、100-M<sub>水sub>/100W<sub>干sub> C、W<sub>干sub>/1-M<sub>水sub>
A、ψ=0.9φ<sub>asub>+0.1φ<sub>bsub> B、ψ=0.1φ<sub>asub>+0.9φ<sub>bsub> C、ψ=0.949φ<sub>asub>+0.316φ<sub>bsub> D、ψ=0.994φ<sub>asub>+0.11φ<sub>bsub>
A、FC<sub>adsub>=100-(M<sub>adsub>+A<sub>adsub>+V<sub>adsub>) B、FC<sub>adsub>=100-(Mad+<sub>adsub>+V<sub>adsub>) C、FC<sub>adsub>=100-(M<sub>arsub>+A<sub>arsub>+V<sub>arsub>)