angular grain造句

例句与造句

1. It is composed mainly of rounded grains but sub-angular grains also occur.
2. Spherical grains tend to migrate to the surface more than do angular grains.
3. The basal conglomerates are made up of hard sandstone which contains angular grains.
4. They wear faster and cut slower, but their angular grains shear through steel for a finer finish with less heat.
5. The conglomerate is typically a medium to fine grained brown to buff sandstone consisting of angular to sub angular grains with scattered flakes of mica; it makes a good building stone.
6. It's difficult to find angular grain in a sentence. 用angular grain造句挺难的
7. They were also called patent notes because they were registered with the U . S . Patent Office in the absence of effective copyright protection and buckwheat notes, for their perceived resemblance to the angular grain.
8. The term gritstone ( usually capitalised by British rock climbers ) describes any sandstone composed of coarse angular grains, and specifically refers to such sandstones within the Peak District, Pennines and neighbouring areas of Northern England.