[
  {
    "topic": "综合",
    "count": 513
  },
  {
    "topic": "工程设计",
    "count": 410
  },
  {
    "topic": "管道管网",
    "count": 155
  },
  {
    "topic": "计量检定",
    "count": 121
  },
  {
    "topic": "消防防火",
    "count": 115
  },
  {
    "topic": "防腐绝热",
    "count": 85
  },
  {
    "topic": "焊接检测",
    "count": 82
  },
  {
    "topic": "场站建设",
    "count": 45
  },
  {
    "topic": "报警检测",
    "count": 36
  },
  {
    "topic": "燃气具附件",
    "count": 35
  },
  {
    "topic": "气瓶钢瓶",
    "count": 18
  },
  {
    "topic": "瓶装供应",
    "count": 9
  },
  {
    "topic": "运行维护抢修",
    "count": 9
  },
  {
    "topic": "危化运输",
    "count": 8
  },
  {
    "topic": "培训制度",
    "count": 4
  }
]