A shellfragment ripped open his right arm while he was swimming.
在游泳时碎贝壳划破了他的右臂。
2
A type of secondary porosity created through the dissolution of a preexisting constituent of a rock, such as a shell, rock fragment or grain.
一种通过先存岩石组分(如生物介壳,岩屑或岩石颗粒)的溶解所造成的次生孔隙类型。
3
The fragment velocity depends on local thickness of shell, the thicker or the heavier is the local shell, and the bigger the influence of shell on shock wave intensity is.