gravel train 中文意思是什麼
gravel train
解釋
礫質谷邊磧-
Application of gravel piles for ground stabilization of transition zone between subgrade and bridge on qinhuangdo - shenyan occupation railway of passenger train
碎石樁在秦沈客運專線加固路橋過渡段基礎中的應用 -
Engineers dug 1, 383, 000 cubic yards of gravel from riverbeds to surface the road. if this gravel had been loaded on railcars, the train would have been 427 miles long
工程兵從河床挖了用以鋪路面的105萬立方米的礫石。如果將這些礫石用火車車皮裝載,那列火車得680公里長。
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