avalanche protection works例句
avalanche protection works
Avalanche protection system
International Snow Science Workshop AVALANCHE PROTECTION FOR ROSA KHUTOR
Avalanche protection dam of Cialancier in Saint Etienne de Tinée: from 2D digital modeling to the start of the onsite work
A comprehensive protection system for snow-avalanche disaster.
10. Technical avalanche protection international: facts and figures
290 avalanche protection forest [n]
Protection work against torrents and avalanches in the Tyrol
EVALUATION OF MEASURES FOR SNOW AVALANCHE PROTECTION OF ROADS
[Successful rock blast in protective works against avalanches. A larger project for the protection of the forest reserves of Graubue...
