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| 21. | especially vowels) of relatively short duration (as e.g. the English vowel sounds in `pat', `pet', `pit |
| （语音学）关于讲话的声音（尤其是元音）持续较短时间的（例如英语'pat'，'pet'，'pit'，'pot'，'putt'中的元音）。 |
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| 22. | Bench height increasing is beneficial to reducing mining cost. |
| 增加台阶高度对于降低采矿成本是有益的。 |
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| 23. | In view of mining technology modification from shovel-truck to dragline, Heidaigou Open Pit Coal Mine |
| 摘要针对黑岱沟露天煤矿的特点、现有开采工艺等，具体研究该矿在扩大生产能力方案实施过程中由单斗铲汽车工艺向吊斗铲倒堆工艺过渡中所存在的问题以及合理的矿山工程衔接方案，以达到吊斗铲开采工艺设计台阶要求。 |
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| 24. | complete closure of the oral passage and subsequent release with a burst of air (as `p' and `d' in `pit |
| 发音时先完全关闭，随后爆破发音（例如在“pit”、“dog”中的“p”、“d”）。 |
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| 25. | blasting survey of open pit |
| 露天矿爆破工作测量 |
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| 26. | Code for construction and acceptance of open pit coalmine engineering |
| 露天煤矿工程施工及验收规范 |
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| 27. | In accordance with the change in manufacturing conditions and blasting experiences, the parameter of open-pit |
| 珠江水泥厂石灰石矿山，随时针对生产条件的变化及已有的爆破经验，对露天矿深孔台阶爆破的参数，装药结构及起爆顺序进行改进，从而达到了降低爆破成本，提高爆破效果的目的。 |
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| 28. | The report′s Open event code detects this, and cancels the report. |
| 报表的 Open 事件代码会检测到这一情况并取消运行报表。 |
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| 29. | Code for design of open pit coal mining engineering |
| 露天煤矿工程设计规范 |
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| 30. | STUDY ON OPTIMIZATION OF MINING PROCEDURE FOR SOUTH OPEN PIT |
| 霍林河南露天煤矿开采程序优化研究 |
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