sighting distance
sighting distance
[电信英汉词典]
sighting distancen.视线距离
是什么意思,sighting distance的解释,sighting distance的翻译
[测绘学英汉词典] sighting distance
sighting distance
[电信英汉词典]
sighting distance是什么意思,sighting distance的解释,sighting distance的翻译
[测绘学英汉词典] sighting distance