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- Dangerous and hazardous factor analysis and safety countermeasures in the gypsum mineral deposit underground mining 石膏矿床地下开采危险危害因素分析及安全对策
- Dangerous and Hazardous Factors Analysis and Safety Countermeasures in the Inclined and Bedded Gypsum Mineral Deposit Underground Mining by Pillar-and-room Method 缓倾薄层石膏矿床房柱法开采危险危害因素分析与安全对策
- A narrowing of a mineral deposit, as in a mine. 减少矿物沉积物的减少,如在煤矿中
- An actual or probable mineral deposit. 矿石,矿藏确实的或可能的矿藏
- gypsum mineral deposit 石膏
- The location or probable location of a mineral deposit. 有矿藏迹象处有矿藏的地方或可能有矿藏的地方
- The mass of rock underlying a mineral deposit in a mine. 矿藏底石位于一个矿中金属矿藏之下的大量石头
- Containing metal. Used of a mineral deposit or an ore. 含金属的含金属的。用来指矿床或矿石
- It possessed rich mineral deposits, including gold. 它拥有丰富的矿藏,包括黄金。
- Material overlying a useful mineral deposit. 覆盖层,超覆层覆盖在有价值的矿石沉积物之上的物质
- We are digging for mineral deposits. 我们正在掘地探矿。
- A narrowing of a mineral deposit,as in a mine. 减少矿物沉积物的减少,如在煤矿中
- A narrowingof a mineral deposit, as in a mine. 减少矿物沉积物的减少,如在煤矿中。
- The gypsum mineral salt deposition has obvious horizontal and vertical banding phenomenon. 膏盐沉积具明显的水平和垂直分带现象。
- The mineral deposit in the area is rich in gems. 这一带的矿体,宝石蕴藏量很丰富。
- The country is rich in natural resources. It has mineral deposits. 这个国家自然资源丰富,它有许多矿藏。
- A mineral deposit of some significance was emerging. 一个具有某种意义的铀矿床正在诞生。
- Know now only a site of Nephrite mineral deposit of rice sand of. 现知只有奥米沙一处和田玉矿床。
- The mass of rock underlyinga mineral deposit in a mine. 矿藏底石位于一个矿中金属矿藏之下的大量石头。
- There are rich mineral deposits in this region. 这一带地下埋藏着丰富的矿产。