人工操作目视降落辅助系统 automatically manually operated system: 半自动化操作装置manually operated spray system: 手动飞溅润滑系统manually-operated spray system: 手动飞溅润滑系统landing aid system: 着陆保障系统manually operated: 人工操纵的; 人力操纵的; 手动操作的; 手挖; 用手操作有下载手机词典可随时随地查词查翻译