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- Ventilation is a very important process in rock excavation by blasting in underground engineering. 地下工程鉆爆開(kāi)挖過(guò)程中，通風(fēng)排煙是重要的一環(huán)。
- An integrated intelligent method for bolt-shotcrete support design in underground rock excavation is presented. 摘要提出了一種可用于巖石地下工程錨噴支護設計的人工智能綜合設計方法。
- This measure could save 7.50 million RMB Yuan than that of the earth rock cofferdam so that it could be used in the similar projects for reference. 此方案比采用土石圍堰方案可節省750萬(wàn)元，對于類(lèi)似的工程可以借鑒。
- In designing the earth rock dam with clay core wall, the exit height of side phreatic line at the downstream of core wall is of great importance to the designers. 在粘土心墻土石壩設計中,心墻下游側浸潤線(xiàn)的逸出高度對設計人員來(lái)說(shuō)是十分重要的,它不僅是計算心墻穩定性的重要因素,也是決定心墻下游反濾層設施高度的重要參數。
- The blasting effect of this project prove that long hole loose millisecond controlled blasting is a new technology extraordinarily suitable for rock excavation,and worth to be widely spread. 該工程的爆破效果有力地證明了深孔松動(dòng)微差控制爆破技術(shù)是非常適合巖石開(kāi)挖工程的一門(mén)新技術(shù),值得推廣。
- Mechanization construction of rock excavation 國外石方工程的機械化施工評述
- The results show that rock excavations of the underground powerhouse for the given geological conditions can be achieved technically. 結果表明：水布埡地下廠(chǎng)房洞室開(kāi)挖在技術(shù)上是可行的；
- Our pilotless rocket enters the track of the earth. 我們把一個(gè)無(wú)人駕駛的火箭送入了地球的軌道里。
- APPLICATION OF SHORT-HOLE MILLISECOND BLASTING IN ROCK EXCAVATION 淺孔微差爆破技術(shù)在石方開(kāi)挖中的應用
- Control blasting of rock excavation at sensitive and dangerous zone 敏感危險區石方開(kāi)挖控制爆破
- The attraction of the moon for the earth causes the tides. 月球對地球的吸引力造成潮汐。
- The earth is only a speck in the universe. 地球在宇宙中只不過(guò)是一個(gè)小點(diǎn)罷了。
- Excavation and embankment of earth. 土木工程土地的挖掘和筑根
- How on earth do they manage to rob the bank? 他們到底怎么搶了銀行的？
- The rehabilitation contracts require the operators to rehabilitate the quarries within a specified period, in return for the granting of rights to process and sell surplus rock excavated during the course of the works. 復修合約規定，采石商須于指定時(shí)間內復修石礦場(chǎng)，以換取采石權，把石礦場(chǎng)復修期間所挖掘的剩余石料加工出售。
- A number of satellites are now circling the earth. 一些人造衛星現在正環(huán)繞地球飛行。
- The machine cast up a big heap of earth. 機器卷起了一大堆泥土。
- The red sun lights up the sky and the earth. 紅太陽(yáng)照亮了天空和大地。
- The rehabilitation contracts require the operators to rehabilitate the quarries within a specified period,in return for the granting of rights to process and sell surplus rock excavated during the course of the works. 復修合約規定，采石商須于指定時(shí)間內復修石礦場(chǎng)，以換取采石權，把石礦場(chǎng)復修期間所挖掘的剩余石料加工出售。
