坑道

It involves bolting iron plates to the walls of tunnels at regular intervals and placing sledgehammers nearby .

现在人们找到了更精确的方法，就是在坑道的墙上间隔特定的距离挂上铁板，旁边放上锤子。

It involves bolting iron plates to the walls of tunnels at regular intervals and placing sledgehammers nearby .

这种方法是通过在坑道壁上有规律的固定一些铁片，然后在在这些铁片附近放上铁锤。

Now a more accurate method has been found. It involves bolting iron plates to the walls of tunnels at regular intervals and placing sledgehammers nearby.

现在人们找到了更精确的方法，就是在坑道的墙上间隔特定的距离挂上铁板，旁边放上锤子。

The Plan 701. I was nineteen years old then.In those days we would really work for revolution in spite of life. To dig a tunnel, water is necessary to operate an air drill but we thought it too troublesome and slow so we drilled without water.

那时真的是要革命不要性命，打坑道，本来打风钻要用水，但我们嫌水枪麻烦，进度慢，就直接&打干眼&。

He was covered from head to toe in coal dust, like a miner coming up from the pit.

他从头到脚全是煤灰，就象一个矿工刚从坑道里出来一样。

To meet the requirement of small diameter and shallow hole drilling for gas drainage in coal tunnel, the ZDY1200L track-mounted hydraulic tunnel drilling rig has been developed.

为适应当前煤矿井下小直径浅孔瓦斯抽放钻进的需要，研制了ZDY1200L型履带式全液压坑道钻机。

And i was responsible to the adits driving, geological channel sampling and mining of gold ore.

负责坑道的掘进，地质采样，金矿开采的地质技术指导。

On basis of the features of Yuanliangshan tunnel, jet ventilation technology has been successfully used in the construction of the tunnel and the calculation method for the air volumes of construction jet ventilations are improved. The calculation method for the air volumes of construction jet ventilations is not only suitable for gas tunnels consisting of twin tubes, but also suitable for long tunnels with ancillary adits and large-scale underground structures.

在圆梁山隧道的施工通风中，结合该隧道特点，成功实施了射流通风技术，并进一步完善形成了施工射流通风的风量方法，该方法不仅适用于有平行双孔的瓦斯隧道，同时也可在有辅助坑道的长大隧道或者大规模地下空间的施工通风中推广应用。

The mining methods: a full size mine gallery, displays of river dredging by genuine 'bantams' from the Val River in South Africa, mine drilling machines and a unique model of the worlds first sub-sea mining machine NamSSol, showing, at the entrance of the ground floor, how diamonds are extracted from nature

在第一层的入口处展示了钻石矿的开采方法：一个真实大小的矿井坑道，显示了南非瓦尔河的真实的砾岩河底挖掘的情形、矿山钻孔机，以及世界上第一台海底采掘机的模型，展示了钻石是怎样从自然界中提取出来的。

The besiegers dug saps 300 meters forward that night, covered by continuous fire.

是夜，围攻部队挖掘的坑道向前推进300公尺，已超出炮火覆盖的范围。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。