A support to the regular force in the performance of crowd management duties during major public events and in other pre - planned operations 在大型公众活动及其他预先策划的行动中支援正规人员执行人群管理工作。
2.
C a support to the regular force in the performance of crowd management duties during major public events and in other pre - planned operations ( c )在大型公众活动及其他预先策划的行动中支援正规人员执行人群管理工作。
