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- The critical safety thickness of the top pil. 根据失稳条件确定了顶柱的临界安全厚度。
- Based on the distribution of the mine-out(areas),the author calculates the safety thickness of interval layers in the deposit. 在采矿过程中根据采空区分布情况,确定露天开采时安全作业的隔离层厚度。
- The critical safety thickness of hidden cavity increases with the augment of hidden cavity section size, radial constringency, safety coefficient and surface loading. (3)暗穴临界安全厚度随着暗穴断面尺寸、暗穴半径收敛值、安全系数、地面荷载等参数的增大而增大。
- And a set of ripe software has been developed. An example of designing the safety thickness of the insulation structure and ablator is given. By comparig the calculation result with the practically thickness, the system is proved credible and convenient. 文中对此建立了集药柱几何计算、内流场、传热与烧蚀于一体的计算系统 ,并形成了成熟的软件 ,对一具体算例进行了绝热结构和烧蚀结构防护层的安全厚度设计 ,与工程实际应用厚度的比较表明 ,此系统用于工程中方便可靠。
- Safety thickness of top and foot walls 顶底板安全厚度
- Safety thickness study of slopes with weak planes 具有下伏软弱层的矿山边坡开挖安全厚度研究
- Safety thickness of artificial roof 人工顶板安全厚度
- the boundary piUar's safety thickness 隔离层安全厚度
- boundary pillar's safety thickness 隔离层安全厚度
- It seemed an eternity before news of his safety reached her. 他平安的消息到达她那里之前，那段时间似乎是无限漫长的。
- Thanks to I had tied then the safety belt. 幸亏我当时系上了安全带。
- The ship came about and headed back for safety. 这只船掉过头往回开到安全地带去。
- I don't wonder you were anxious about their safety. 你为他们的安全着急，我是不奇怪的。
- In the end they reached a place of safety. 他们终于到达了一个安全的地方。
- When do the new safety rules come into force? 新的安全规则何时生效?
- The safety precautions are totally inadequate. 这些安全措施完全不合格。
- I'm worried sick about my son's safety. 我十分担心我儿子的安全。
- If I lose my job, I've got no safety net. 我丢掉这份工作就无计可施了。
- We're all concerned for her safety. 我们都为她的安全担忧。
- The new aircraft is undergoing safety tests. 这种新飞机正在接受安全性能检验。
