短语词组短语blind bombing zone 盲目轰炸区no blind -zone 无盲区blind fracture zone 隐伏断裂带blind -zone 盲区blind d zone 盲区start -up blind-zone 起动盲区;启动盲区zenith blind zone 天顶盲区detector blind zone 探测器组盲区 返回 blind zone