A.0.07MPaB.0.7MPaC.7MPaD.70MPa
A.先小目數(shù)再大目數(shù)B.先大目數(shù)再小目數(shù)C.無順序要求D.先大目數(shù)再小目數(shù),最后再用大目數(shù)
A.<100B.100~200C.180~2000D.>2000