protectionistn.保护贸易论者adj.保护贸易论的
protectionn.保护;防卫
Protection cultivation保护地栽培
protection performance保护性能
protection of executee被执行人保护
protection and control保护与控制
protection disposition保护配置
protection of coatings涂层防护性能
Protection and utility保护与开发
protection at the back背面保护
protection requirement保护要求
protection information保护信息