土壤消毒剂
soil fumigant
soil disinfectant
multi purpose soil disinfectant
soil sterilant
土壤消毒制剂
soil sterilising preparation
双频振动压实机－土壤系统
double-frequency vibration compactor and soil syst
土壤机械分析
mechanical analysis of soil
土壤机械阻力
soil penetration resistance
Soil mechanical resistance
土壤机械组成
soil mechanical composition
Mechanical constituent of soil
mechanical composition of soil
soil texture