English translation for "三级区"

tertiary area

Similar Words：

"三级气密封系统" English translation, "三级潜水员" English translation, "三级亲属" English translation, "三级氢键" English translation, "三级氢原子" English translation, "三级渠道" English translation, "三级全真模拟试题一（二）" English translation, "三级绕组" English translation, "三级热带气旋" English translation, "三级绒毛" English translation