常见例句Conedera operations, goes down the mine on the need for reliable security measures against a well-bucket bottom. 孔內作業時，上下井必須有可靠安全保障措施，嚴禁乘坐吊桶上下。CONEDERA, Juan Gerardei 衚安·赫拉爾迪·科內德拉 返回 Conedera