短語(yǔ)詞組短語(yǔ)settling g ratio 等落比free settling ratio 自由沉降比;自由降落系數(shù)hindered settling ratio 阻落比hindered -settling ratio [礦業(yè)]阻滯沉降率free -settling ratio 自由降落系數(shù)equal jigging settling ratio 等落比equal settling ratio 等沉比sludge settling ratio 污泥沉降比settling ratio of pile tip 樁端沉降比 返回 settling ratio