A.每周 B.每天 C.兩周 D.每兩天
A.0.01-0.02Mpa B.0.02-0.05Mpa C.0.08-0.1Mpa D.0.1-0.12Mpa
A.0.1-0.2Mpa B.0.2-0.3Mpa C.0.3-0.4Mpa D.0.4-0.5Mpa