One kind of large granular soil type, its particle diameter larger than 200 mm, rounded or angular to the main content thereof exceeds 50% of the total mass, and a particle size greater than 60 mm more than 75% of the total mass of soil.
A large grainy soil with a particle size greater than 200 mm, mainly in a round or angular shape, with a content of more than 50% of the total mass, and a particle size greater than 60 mm of grain more than 75% of the total mass of soil.
A kind of giant granular soil, whose particle size is more than 200 mm, mainly in rounded or angular shape, whose content is more than 50% of the total mass, and whose particle size is more than 60 mm is more than 75% of the total mass.<br>