kaolin clay 基本例句 高岭土 The sedimentary kaolin is a unique kaolin source in China.沉积型高岭土是中国特有的高岭土资源。 As Kaolin is a loose raw material, it is easy to be quarried and needs no cracking so that it can be washed directly.由于高岭土是一种疏松的土质原料，较易开采，且无须粉碎，可直接进入淘洗。