短語詞組短語tailing pond safety assessment 尾鑛庫安全評價tailing pond information 尾鑛庫信息Boron tailing pond 硼鑛區(qū)closure of tailing pond 尾鑛庫閉庫18th river tailing pond 十八河尾鑛庫small tailing pond 小型尾鑛庫water dam of tailing pond 尾鑛庫擋水垻major hazardinstallations of tailing pond 尾鑛庫重大危險源 返回 tailing pond