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- medium hard and hard rocks 中硬岩
- This time the chase would be long and hard and unrelenting. 这一次的追踪将是长期的、艰难的、不屈不挠的。
- The colonel was a middle-aged man, grey and hard and tired-looking. 上校是个中年人，脸色阴郁而严峻，神情很疲乏。
- With the rock breaking test,the pick shape inserted tooth rolling cuter has obtained a rock breaking result and is suitable to be applied to the drilling in the hard rock and medium hard rock. 通过破岩试验,镐形镶齿滚刀有较好的破岩效果,适合于在硬岩及中硬岩层中推广应用。
- But she look at me and cry harder and harder. 但是她看着我并哭得越来越厉害。
- She looked at me and cried harder and harder. 她看着我并且哭得越来越厉害。
- You should study harder and harder. 你应该更用功念书。
- Specialized PDC cutters extends bit life in soft formation with medium hard and abrasive layers. 新型复合片及布齿可提高钻头在含中等硬度和研磨性夹层的软地层中的使用寿命.
- Our lessons are getting harder and harder. 我们的课越来越难了。
- Applicable to sticky soft formation with medium hard and abrasive interbedded layers. 可钻中等硬度带研磨性夹层的粘软地层.
- Little by little, it snows harder and harder. 渐渐地,雪越下越大。
- But she looked at me and cried harder and harder. 但是她看着我并哭得越来越厉害
- The discussion was made on the technology used in gravel, boulder and hard rock formation. 探讨了在卵砾石、漂石等复杂地层以及坚硬基岩中进行旋挖钻进所用钻头的结构及其施工工艺。
- Our le o are getting harder and harder. 我们的课越来越难了。
- The wind was blowing harder and harder. 风越刮越大。
- Things are getting harder and harder. 日子越来越不好过。
- The experiment indicates that there exists difference between soft and hard rock during their concretion and settlement. 实验表明,软硬不同的岩体在固结沉陷过程中存在明显差异。
- Lately they have been getting into hard rock. 近来他们一直热衷于演奏硬派摇滚。
- Soft rocks may be gradually worn away and harder rocks are rubbed,so that they become smooth and shiny. 松软的岩石渐渐地磨掉，硬的岩石被摩擦，以至于它们变得平滑光亮。
- It became harder and harder for him to keep up with his classmates. 对他而言,赶上同班同学变得越来越难了。
