A.0.1% B.0.2% C.1% D.0.5%
A.(6~60)MPa,不超過0.008/s B.(6~60)MPa,不小于0.008/s C.(2~20)MPa,不超過0.008/s D.(2~20)MPa,不小于0.008/s
A.不大于100t B.不小于50t C.不大于60t D.不大于50t