Sand is taken from the seabed and sprayed into the construction site.
工程师们把从海床上挖出的沙砾撒在地基处。
2
Sand is taken from the seabed and sprayed into the construction site.
建筑所用的沙子从海底运来然后铺洒在施工场地。
3
The surface of mixer body is sand-blasted for rust-cleaning. The coating is sprayed firmly with high-grade paint of abrasion-resistant so as to extend the lifetime of coating.