饱和粉细砂地基
water-saturated granular foundation
饱和粉细砂土层
saturated fine silty sand ground
饱水细砂土
Fine sandy soil saturated with water
长江粉细砂
Silty sand of the Changjiang River
长江口细砂
Changjiang delta fine sand
吹填粉细砂
dredged silty and fine sand
高压动水粉细砂层溶洞
filling karst cave with high-pressure hydrodynamic silt layer
高压富水粉细砂层
silty fine sand layers of high pressure and rich w