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- index of drilling yields 钻屑量指标
- It has presented the index of drilling efficiency expressed by the ration of penetration rate and matrix wear,this determing the optimal drilling parameters based on the latter index. 提出了表示机械钻速和钻头胎体磨损关系的钻探效果指标,并根据后者确定出了规程参数最优值。
- She had lots of drill in listening. 她在听力方面受过许多训练。
- Its results indicates that all indexes of drilling fluid are good and can meet the needs of drilling engineering. 现场应用结果表明,无粘土钻井完井液各项性能指标良好,能很好地满足钻井工程的需要。
- After months of drilling, oil was found off the coast. 经数月钻探,在沿海找到了石油。
- desorption index of drilling cutting 钻屑解吸指标
- A person's face is often an index of his mood. 一个人的脸部表情常常反映这个人的情绪。
- Gas desorption index of drill cuttings 钻屑解吸指标
- After several months of drilling in the desert, the prospectors struck it rich. 勘探者们在沙漠中花了几个月的时间钻井,终于钻出了石油。
- Fill tanks with required amount of drilling water. 向泥浆池中加入需要量的钻井水。
- He was rudely awakened by the sound of drilling. 他突然被钻孔的声音吵醒。
- Measure rough dimension of drilling hole. 测量打孔珍珠大致尺寸.
- The increasing sale of luxury goods is an index of the country's prosperity. 奢侈商品销售量日增是该国繁荣的标志。
- It was a kind of drill, we did it almost daily. 那是一个练习,我们差不多天天都做。
- The face is the index of the mind. [谚]脸是心灵的镜子。
- Essential elements of drill hole. 钻孔具有的结构和尺寸因素。
- Color is commonly an index of ripeness or spoilage. 色泽一般是成熟和败坏的标志。
- volume of drilling yields 钻屑量
- New recruits have three hours of drill a day. 新兵一天有叁小时的操练.
- Busy factories are an index of prosperity. 忙碌的工厂是繁荣的表徵。