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tunnel n.隧道;地道;坑道;管道,煙道,風洞;【礦物】石巷,平...

tunnel borer

Quantum-mechanical tunneling across the very small gaps occurs during the initial stages of separation . 最初分離階段,電子借量子力學的隧道貫穿機理,通過微小的間隙而轉移。

The difference in level between the road surface in the tunnel and that on the bridge can hardly be less than 10m . 隧道內的路面和橋上的路面之間的高差幾乎不可能小于10米。

This immense chasm has been formed by an underground stream which has tunneled a course through a flaw in the rocks . 這個巨大的陷穴是由一條地下小河穿過巖石裂縫形成的。

Some tunnels provide canvas sandbags for supporting the model when it is resting on the floor or a table . 有些風洞備有帆布沙袋,當模型放在地板上或桌子上時用作支持物。

The reflection on his face in the train window when they went through a tunnel was a little sinister . 當他們穿過隧道時,車窗上反映出他的面部,有點兒兇神惡煞的樣子。

If changes are made to the tunnel after it has been built, it may be necessary to make a fan revision . 在風洞建成以后,如果要進行修改,那么風扇也可能要更新。

Safety is always the first consideration in tunnelling and speed of advance is the second . 在掘進中,安全總是應該首先考慮的問題,掘進速度則放在第二位。

If tunnel is built , it will connect britain to europe for the first time in history . 如果隧道建成,它將有史以來第一次把不列顛和歐洲大陸連接起來。

The rabbit-hole went straight on like a tunnel for some way, and then dipped suddenly down . 兔子洞里有一段路象隧道一樣,一直往前,隨后忽然往下拐。

If the tunnel draws its air directly from the atmosphere, entirely fresh air is used . 如果風洞直接從大氣中吸進空氣,那么使用的是完全新鮮的空氣。

The tunnel would be well-ventilated if tall chimneys were built above sea-level . 假如高大的煙囪狀通風管伸出海面的話,這條隧道的通風將是良好的。

Any flight test and wind tunnel correlation always suffers from a great number of unknowns . 在對飛行試驗與風洞試驗進行比較時總有大量的未知數。

This tunnel will be a good thing for the west side and other land you may own over there . 這條隧道對西區有好處,你可以在那兒買一塊其他地皮。

A second method of measuring the turbulence in a wind tunnel makes use of a “pressure sphere. “ 測量風洞紊流度的第二個方法是使用“壓力球。”

He is going to put money into stocks and shares , the channel tunnel project , property . 他打算將錢投于債券與股票、海峽隧道工程、房地產。

The damping derivatives can only be determined experimentally in the wind tunnel or ballistic range . 阻尼導數只能用風洞或彈道試驗來確定。

The peasant labourers really [actually ; literally] hewed a tunnel through that rocky mountain ... 民工們硬是打通了這座大山,修成了隧道。

Trains and tunnels are overlaid with the multicoloured names and slogans of youths . 青年人在車輛上和隧道中涂滿了各種顏色的姓名和口號。

Hypersonic wind tunnels operating at very low densities were developed starting in about 1960 . 低密度超音速風洞大約開始發展于1960年。