视程障碍
- n.obstruction to vision
- 网络OBSCURATION
视程障碍视程障碍
obstruction to vision
航海及海运专业术语O(1) ... obstruction marking 障碍物标志 obstruction to vision 视程障碍 obstruction 障碍 ...
OBSCURATION
气象符号_文档下载_文档资料库 ... 降水 PRECIPITATION 3 视程障碍 OBSCURATION 4 其它 OTHER 5 ...