词汇	薄壁空洞
释义	薄壁空洞 thin-walled cavity
随便看	Highway Side Slope Protection Design highway-side vegetation highway sign highway-sign highway signalized intersections highway signals fuzes highways in mountain areas highways in mountainous area highway size highway skew bridge highway slab bridge highway slope highway-slope highway slopes highway slope structure highways of mountainous area highway soft foundation highway soft-foundation highway soft soil foundation highway speed limit highway sprayer highways projects Highways radiate in all directions highways radiating from a city highway staff education