a wagon lumbering along an unpaved road; 马车沿着未 的路面 走; bucketing over the unpaved lane. 在没有 路的小巷子里 进 an unpaved road that branches from the main road; a theory that branches from an older system of ideas. 从主干道分岔出来的未砌的小路;从较早的思想体系中分支出来的理论...
Strain gage measurements showed that the NPA geocell beneath the wheel path experienced tensile stresses whereas the geocell outside the wheel path experienced compressive stresses. 展开 关键词: accelerated pavement testing geocell geosynthetic-reinforced base unpaved road rutting ...
Unpaved road tires(57) [summary] [configuration] on the tire sidewall portion 2 serving as outside when the vehicle is loaded, it will form a radial direction a plurality of annular convex portion 3. It buried one or more of the core 4 in the interior of the one or more of the ...
Speed limit sign standing on the side of an unpaved road leading to a farm on a sunny spring day.,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥
Returning home after a long trip. Rural unpaved road. Leafy green trees on both sides of the road. Green lush grass by the side of the road.,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已
Dust samples were collected at 1.5, 4.5 and 6m height above the ground surface on the east and west side of the road. One rotorod sampler was also installed at the centre of the road at 6m height. Dust samples from unpaved road were mostly (70%) silt and clay-sized particles and ...
The total soil erosion on the roadbanks was 3 and 18 times higher than those from the roadbeds and the sidecast fills, respectively. As a consequence, roadbanks can be considered the main source of sediments on the studied sites, but the function of unpaved forest roads as source points ...
The total soil erosion on the roadbanks was 3 and 18 times higher than those from the roadbeds and the sidecast fills, respectively. As a consequence, roadbanks can be considered the main source of sediments on the studied sites, but the function of unpaved forest roads as source points ...
Unpaved road on the side of the Grand Mesa leading past farms to a trail head.,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度
unpaved road in country side on an overcast summer day climbing a hill,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招