短語(yǔ)詞組短語(yǔ)volcanic detritus soil 火山巖屑土volcanic c soil 火山土volcanic ash soil [地質(zhì)]火山灰土;火山灰土壤volcanic cohesive soil 火山灰質(zhì)粘性土black volcanic ash soil 黑色火山灰土壤volcanic derived soil 火山巖坡殘積土volcanic c ash soil 火山灰土volcanic c detritus soil 火山巖屑土volcanic rock -red soil sequence 火山巖 返回 volcanic soil