短语词组短语clay and sand mixer 土砂拌和机clay used sand 粘土旧砂clay and sand pit 泥沙矿坑Clay bonded sand 粘土砂green clay molding sand 粘土湿型砂clay and sand soil 粘土和砂土clay mould sand 粘土型砂clay and sand grade 泥沙粒度组成Powdery clay and sand 粉状黏土和砂 返回 clay sand