(来学网)调拌石膏的粉水比例是
  • A.
    (来学网)100g:25~29ml
  • B.
    (来学网)100g:30~34ml
  • C.
    (来学网)100g:35~39ml
  • D.
    (来学网)100g:40~44ml
  • E.
    (来学网)100g:45~50ml