保安服务：包括保安门卫服务，保安守护服务和保安巡逻服务。
Security and Protection service: including doorkeeper, guardianship and patrolling security services.
我沿着海边，经过了海军巡逻船、海岸警卫队的船以及为海洋石油平台提供服务的服务船，令人吃惊的是，还有不少渔船。
My route takes me alongside the harbour, past naval patrol vessels, Coast Guard ships, service boats for the offshore oil platforms and a surprising number of fishing boats.
智利海军在这些水域巡逻，美国森林服务部驻智利处也为游客提供保护，并负责开发这一区域。
The Chilean Navy patrols these waters. CONAF—the Chilean version of the U.S. Forest Service—has assumed responsibility for protecting as well as exploiting the region.
应用推荐