protectionn.保护;防卫
protection of cultural resources文化资源保护
Protection and recovery planning保护与修复规划
protection of flowers and fruits保花结果
protection while lacking inphase缺相保护
protection from wind and weather用来避风雨
protection of railway side slope铁路边坡防护
protection of eco - envivoment环境保护
protection for the axis breaking断轴保护