Coal mining has always been a dangerous occupation.

CHAPTER V PROTECTION OF COAL MINING AREAS.

第五章煤矿矿区保护.

China an abundant coal mining resource and long history in this business.

我国煤炭资源丰富,煤矿开采历史悠久.

Coal mining is a messy business, often wreaking terrible environmental damage nearby.

采矿是肮脏的行业, 往往会严重破坏周边环境.

The largest risk in coal mining is the collapse of the mine.

煤矿生产过程中可能出现的最大危险就是巷道崩坍.

Widely used in products such as coal mining enterprises.

产品广泛应用于煤矿等矿业企业.

Agriculture, textiles, coal mining and heavy industry are all doing badly.

农业 、 纺织业 、 煤矿业和重工业的发展状态不佳.

An uncultured coal-mining town; regarded him an uncultured brute.

原始的采矿小镇; 把它视作粗鲁的野蛮人.

A coal mining boom has swept across north China.

煤炭行业的繁荣,在华北到处可见.

The coal mining area is in the center of the basin.

煤矿区位于盆地的中心.

The coal mining and trading industry largely takes the same view.

煤炭采掘及贸易行业基本上抱有相同看法.

Company is Shanghai's largest local and comprehensive utilization of coal mining enterprises.

公司是上海本地最大的煤炭开采和综合利用企业.

Rich in coal resources, mainly coal-mining town and township enterprises.

煤炭资源丰富, 乡镇企业以采煤为主.

They clearcut trees in the winter and coaled the logs the following spring.

他们在冬天把树枝剪下来,然后在春天把这些木材烧成木炭.

On our arrival there, we coaled the steam trains and carried out repairs.

我们达到那儿以后, 给蒸汽火车装上了煤,并做了一些维修工作.

The big ship coaled.

这艘大船已经上完煤了.

We will depart as soon as the ship is coaled.

船上煤以后我们就出发.

Typically the skin lesions begin as petechial or small purpuric areas which gradually coalesce ( see below ).

典型的皮肤病损开始于淤点或小的紫斑并逐渐融合 ( 如图 ).

Particles do not coalesce with other particles.

颗粒之间互不聚合.

These may eventually coalesce to form an anastomosing system of channel sands within a broad valley.

最后它们在宽阔的河谷内连接起来,形成一个交织的河道砂系统.

Gas bubbles coalesce to grow as they rise.

气泡在上升中聚集成长.