(来学网)室内空气质量标准规定甲苯的限值是
  • A.
    (来学网)≤0.10mg/m3
  • B.
    (来学网)≤0.15mg/m3
  • C.
    (来学网)≤0.20mg/m3
  • D.
    (来学网)≤0.25mg/m3
  • E.
    (来学网)≤0.30mg/m3
正确答案:
C