人群管理特别用途车
rén​qún​guǎn​lǐ​tè​bié​yòng​tú​chē

riot control vehicle

人群管理特别用途车 (人群管理特別用途車) rén​qún​guǎn​lǐ​tè​bié​yòng​tú​chē
riot control vehicle
specialized crowd management vehicle, a riot control vehicle equipped with a water cannon, commonly known as a water cannon vehicle (水炮车 shuǐ​pào​chē)

Sources
Definitions
CC-CEDICT