短語詞組短語rock -salt structure 巖鹽結(jié)構(gòu)rock salt rkx 鹽巖rock salt ores 巖鹽礦rock salt interlayer 鹽巖夾層layered rock salt deposit 層狀巖鹽礦床Rock salt cavern 巖鹽溶液 返回 rock salt