短语词组短語rock salt -type litio 2 巖鹽型litiorock -breaking type 巖石破裂類型ultrabasic rock -type 超基性巖型hard rock -fracture type 硬巖斷裂型Basic rock -type granulite 基性巖類麻粒巖silicified -rock-type 矽化巖型 返回 rock type