coarse gravel meaning in Chinese
粗砾石
粗砂砾
Examples
- A layer of coarse gravel is often placed around the drain tile .
常常在排水瓦管周围铺一层粗石砾。 - Coarse gravel or crushed rock laid to form a bed for roads or railroads
道碴用来铺公路或铁路路基的粗砂砾或碎石 - 5 . for frozen erosion the good measure is to cut slop and lining with coarse gravel ; meanwhile , adjust the canal operating to less the frozen
( 5 )对于冻融和冻胀较为严重的渠段则宜采用削坡后铺碎石护岸；为减轻冻融侵蚀，同时采取适当的调度方式。