(来学网)弯制不锈钢丝卡环最常用的钢丝直径为
  • A.
    (来学网)0.5mm
  • B.
    (来学网)0.7mm
  • C.
    (来学网)0.9mm
  • D.
    (来学网)1.0mm
  • E.
    (来学网)1.2mm
正确答案:
C