(来学网)根据《工业金属管道工程施工规范》GB02304-2010,某设计压力为0.4MPa的承压埋地铸铁管,其压力试验为()
  • A.
    (来学网)0.4MPa
  • B.
    (来学网)0.5MPa
  • C.
    (来学网)0.6MPa
  • D.
    (来学网)0.8MPa