(来学网)喷砂抛光机的工作气源压力是
  • A.
    (来学网)0.2~0.22MPa
  • B.
    (来学网)0.3~0.5MPa
  • C.
    (来学网)0.4~0.7MPa
  • D.
    (来学网)1~2MPa
  • E.
    (来学网)0.25MPa