English translation for "坚硬岩层"
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- competent bed
hard formation
sharp ground
Related Translations:
坚硬地层: competent formation 坚硬性: hardnessinelasticityrockiness 坚硬的: adamantinebrazencalculouscallousfirmerflintlikeflintygranitichardimpenetrableironboundmarblepetrosalpetrousrigidsolidsteelstiff groundunyielding
- Example Sentences:
| 1. | Skin impregnated drillbits are suitable for drilling in the medium - hard rock formation with f 6 - 10
表镶钻头适用于f 6 - 10机中硬及坚硬岩层的钻进 | | 2. | Lung lok shui is a unique hard rock ridge found at tung ping chau . from a distance , it resembles a dragon charging into the sea
龙落水的岩质为燧石粉砂岩，从岛上高脊直奔入海，有如石龙奔海而名，是东平洲唯一及特有的坚硬岩层。 | | 3. | Ball hob drill head is applicable for harden rock layer , fine grain granite , and it has below 9 - grade drillability . the compressive strength is no more than 15 of pull coefficient
球齿滚刀钻头适合于坚硬岩层，细晶花岗岩，可钻性9级以上，抗压强度在普氏系数15 。 | | 4. | Abstract : main construction points of qingfang hospital station on qingdao subway under the condition of hard surrounding rock are described . blasting control and vibration monitoring are stressedly introduced
文摘:阐述了青岛地下铁道青纺医院车站在坚硬岩层中的施工要点，重点介绍了爆破控制、震动监测等内容，对于城市硬质岩石条件下的地下工程具有借鉴意义。 | | 5. | By theoretical analysis and actual measurement of field and phenomena analysis of rock burst , the author illustrates the directionless pressure , sudden movement and rupture of hard roof lead to the internal cracks of coal instable development , which easily results in rock burst happening
摘要通过理论分析、现场实测和冲击矿压现象分析，说明了顶板坚硬岩层产生的静压和突然运动、破断均可使煤体内部裂纹不稳定扩展而容易发生冲击矿压。 |
- Similar Words：
- "坚硬外皮" English translation, "坚硬物" English translation, "坚硬细胞" English translation, "坚硬向日葵" English translation, "坚硬性" English translation, "坚硬岩石" English translation, "坚硬岩石地区" English translation, "坚硬岩石含水层" English translation, "坚硬岩石剪切试验" English translation, "坚硬岩石井壁取心器" English translation
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