开采

MINERS and their canaries are used to thinking of natural gas as a potentially deadly impediment to digging up coal.

煤矿工人和他们的金丝雀通常把瓦斯（开采煤矿时产生的一种气体，有毒易爆）作为他们挖掘煤炭时潜在的最致命的障碍物。

This was formed ofgranite reeks, capriciously distributed, very different from the cliff atProspect Heights, and of an extremely wild aspect. It might have been saidthat an immense cartload of rocks had been emptied out there.

它是由花岗石形成的，东一堆西一堆零乱地散布着，和眺望岗的峭壁完全不同，而且看起来非常荒凉，好象曾有人在这里开采过大量山石似的。

Have no flaw or shortcomings to blame for or be captious about.

新疆有很多大的油田。好多地方的油田都被开采过了。

ABSTACT Coal gangue is the solid castoff of coal mining and machining process, which usually accounts for the 10%-15% of the total coal pro...

煤矸石是煤炭开采与加工过程中产生和排放的固体废弃物，其产量约占煤炭产量的10％-15％。

ABSTACT Coal gangue is the solid castoff of coal mining and machining process, which usually accounts for the 10%-15% of the total coal product.

煤矸石是煤炭开采与加工过程中产生和排放的固体废弃物，其产量约占煤炭产量的10％-15％。

There are strict regulations in top-coal caving mining with hazard of coal and gas outburst.

煤与瓦斯突出危险煤层的放顶煤开采有严格的法规限制，限制主要是从安全上考虑的。

A much smaller system at Cornell University uses Lake Cayuga as a source.

康纳尔大学建造的一个小得多的系统则是开采卡尤加湖的水资源。

Is a set of limestone mining, processing trade as one of Celestite Stone manufacturers.

是一家集石灰石矿山开采，加工贸易为一体的天青石石材生产企业。

This is Stone Factory is a large set mining, processing, sales and service company in one of celestite.

本正石材厂是大型集开采、加工、销售及服务于一体的天青石公司。

This material is composed of water, aggregate and cementation, and is one of key technologies in Green Mining, having a good development prospect.

此材料属于一种水与集料、胶结料三者混和凝固的材料，是绿色开采的关键技术之一，具有良好的发展前景。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。