patroln.巡逻;巡查v.巡逻;巡查
patrol airship巡逻飞艇
patrol balloon巡逻飞艇
patrol officer巡警
patrol-check巡检仪
patrol altitude巡逻高度
patrol scrutiny巡查; 巡视
patrol aviation巡逻飞行
patrol airplane巡逻机
patrol aircraft巡逻机
Patrol Squadron巡逻中队