Step 3: Add support for the new output type in views.
步骤3：在视图中添加新的输出类型支持。
The fourth step: road repair and support type vehicles on the road must be turned on when signal lights.
第四步：公路抢修车及托式信号标车上路时必需开启信号灯。
The third step: education, whether the maintenance personnel check dress requirements, highway repair and support type signal standard car is normal.
第三步：产教育工作，检查维修作业人员的着装是否符合要求、公路抢修车及托式信号标车是否正常。
The third step: education, whether the maintenance personnel check dress requirements, highway repair and support type signal standard car is normal.
第三步：产教育工作，检查维修作业人员的着装是否符合要求、公路抢修车及托式信号标车是否正常。
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