255], ]; } /** * {@inheritdoc} */ public function attributeLabels() { return [ 'id' => '序号', 'city' => '地市', 'sec_unit' => '二级单位', 'grid' => '网格', 'oil_costs' => '燃油', 'repair_costs' => '维修', 'rent_costs' => '租赁', 'insurance_costs' => '保险', 'road_bridge_costs' => '路桥', 'year_check_costs' => '年检', 'other_costs' => '其他', 'operating_costs' => '月运行费用合计', 'sum_costs' => '月总费用合计', 'year' => '年', 'month' => '月', ]; } }