短語詞組短語limestone solution cave 灰?guī)r溶洞limestone cave disposal 溶洞処理limestone cave and funnel 溶洞與漏鬭limestone cave leak 溶洞滲漏hidden limestone cave 隱伏巖溶Especially big limestone cave 特大溶洞treatment of special limestone cave 特殊溶洞処理 返回 limestone cave