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- Moorstone quarrying in tunnel is a first case carried out in China. 隧道內開(kāi)采花崗巖料石在國內尚屬首例。
- It is a very difficult problem of overbreak in tunnel excavation. 超欠挖一直是隧道開(kāi)挖中遇到的一大難題。
- This paper studies the character of smoke by fire model test in tunnel, emphasizes on the law of smoke distribution, analyses the length, velocity and thickness of refluxed zone. 摘要通過(guò)對隧道火災模型試驗,研究隧道發(fā)生火災時(shí)煙流性態(tài),著(zhù)重對隧道內的煙流擴散規律、煙流逆流層的長(cháng)度、逆流速度、逆流層厚度進(jìn)行了試驗數據的分析。
- This paper studies the character of smoke by fire model test in tunnel,emphasizes on the law of smoke distribution t analyses the length,velocity and thickness of refluxed zone. 通過(guò)對隧道火災模型試驗,研究隧道發(fā)生火災時(shí)煙流性態(tài),著(zhù)重對隧道內的煙流擴散規律、煙流逆流層的長(cháng)度、逆流速度、逆流層厚度進(jìn)行了試驗數據的分析。
- The measures in place to prevent speeding in tunnels? 有何措施防止在隧道內超速駕駛?
- The sounding by using dipole equatorial array in tunnel is not appropriate. 采用赤道偶極裝置在坑道中進(jìn)行電阻率測深是不合適的。
- Feasibility of dipole equatorial resistivity sounding in tunnel was discussed. 摘要對坑道內赤道偶極裝置電阻率測深的可行性進(jìn)行研究。
- Objective Study on radon pollution in tunnel and protection from the radiation. 目的研究坑道內氡濃度及工作人員的氡防護。
- The Prandtl mixing length theory was corrected and redefi ned and the distribution function of air velocity in tunnel derived by the autho r, and the function is used as a theoretical foundation to study ventilation proc ess in tunnel. 筆者修正并重新定義了普朗特混合長(cháng)度理論,推導出巷道中風(fēng)流速度的分布函數,并將該函數用作研究巷道通風(fēng)過(guò)程的理論基礎。
- The kid dug a tunnel in the sand. 小孩在沙堆里挖了一個(gè)地道。
- The roar of the train reverberated in the tunnel. 火車(chē)的轟隆聲在隧道里回蕩。
- The wind was whispering in the trees. 一陣風(fēng)穿過(guò)樹(shù)林沙沙作響。
- There are 26 letters in the English alphabet. 英語(yǔ)字母表中有26個(gè)字母。
- In tunnel, cable trench, well or direct in ground, able to bear external mechanical forces and certain pulling force. 隧道、電纜溝、豎井或埋地敷設等,能承受機械外力和一定的拉力。
- There is a vein of melancholy in his character. 他的性格中有少許憂(yōu)郁的氣質(zhì)。
- There was a long lag in forwarding mail to us. 轉寄給我們的郵件晚了很久才拿到。
- For laying indoors, in tunnel or cable trench, unable to bear external mechanical forces. 室內、隧道及電纜溝內等場(chǎng)所,不能承受機械外力。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽團。
- A fire was burning in the grate. 火在壁爐中燃燒著(zhù)。
- Alien DNA found in tunnel near Central. Possible breeding nest nearby. Search for more intelligence. 在中心附近的隧道內探測到異形DNA,他們繁殖的巢穴很可能就在附近,開(kāi)展搜索以獲取更多情報!