filtration coefficient造句

• Through comparative analysis to the test data of tow sampling methods in drilling hole and sampling method in shaft , it was found out by the author that the drilling sampling method has obvious disturbance and depression to the soil sample , which caused the soil sample ' s dry density to be increased , porosity ratio to be decreased , filtration coefficient to be decreased , and modulus of compression to be increased
  筆者通過對鉆孔兩種方法獲取的土樣與豎井土樣試驗數據的對比發現，鉆孔取樣對土樣有明顯的擾動和壓密作用，造成了土的干密度增大、孔隙比減小、滲透系數降低、壓縮模量增大。
• It's difficult to find filtration coefficient in a sentence. 用filtration coefficient造句挺難的