短語(yǔ)詞組短語(yǔ)soil -bitumen base [公路]瀝青土基層soil bitumen WESTBANK 瀝青穩(wěn)定土壤soil stabilization with bitumen 瀝青穩(wěn)定土壤法soil stabilization with bitumen WESTBANK 瀝青穩(wěn)定土壤法bitumen -soil 瀝青土 返回 soil bitumen