coal的例句大全

Remining coal seam left in caving zone

浅析开采冒落带内丢煤的复采

Therefore, it is foundation of coal mining and design to provide accurate information of caving zone and water flowing fractured zone before and after mining.

准确地提供采煤前后顶底板岩层冒落带高度、导水裂隙带高度及其形态变化等信息，是安全采煤可行性研究和设计的基础。

The results show that, the overlying coal-rock mass is integrally bending and sinking, without forming any caving zone and the obvious fault zone.

结果表明，在极薄保护层钻采过程中上覆煤岩体产生整体弯曲下沉，没有冒落带和明显的断裂带。

Study on the Basic Theory of Longwall Top Coal Caving System

关于长壁放顶煤开采基础理论的研究

There is a certain angle between caving line and coal seam strike.

垮落线与煤层走向是一定角度。

In the winter, when temperatures fall below zero Celsius degree, residents resort to electric heaters or coal-fired boilers.

冬天气温降至冰点以下，居民用电暖气或煤炭锅炉取暖。

Analysis on mine coal dust explosion danger degree base on normal fuzzy function

基于正态模糊数的矿井煤尘爆炸危险度分析

The function of shift in coal-derived gas methanation

变换反应在煤气甲烷化中的作用

The biodesulfurization technology ( BDS ) of coal combined the strongpoins of biological method and physical method.

煤炭生物脱硫技术 ( 简称BDS技术 ) 结合了生物方法与物理方法的优点,可以有效地实现煤炭的清洁,较好地脱除煤炭中的硫.

In single fuel mode full boiler load can be achieved on coal or wood.

在唯一燃料方式充分的锅炉装载在煤炭或木头可以达到.

Occur year after year of food, coal, construction quality safety accident shows that the present serious problem of our lack of corporate integrity.

近年频繁发生的食品、煤矿、工程质量等安全事故说明当前我国企业诚信缺失问题严重。

On the basis of study on the petrographic characteristics of coal 2-2 in Shenmu Coalfield, three types of peat swamp are recognized, i. e.

在研究神木煤田2－2煤层煤岩特征的基础上，划分了三种泥炭沼泽类型，即开阔水体草本沼泽、陆地森林沼泽和潮湿森林沼泽。

Main problems in balance wire rope use are: ( 1) coal box dropping leading to balance wire rope pounded breaking;

平衡钢丝绳使用的主要问题是：（1）坠罐造成平衡钢丝绳被砸断；

The necessity of seasoning to coal winning machine box

采煤机箱体时效的必要性

The high speed shaft of the coal mill gear box for the boiler in a power plant broke, and the double-row self-aligning roller bearing was damaged.

某电厂发生锅炉磨煤机变速箱高速轴断裂，双列调心滚子轴承损坏。

Development of Domestic Mechanical Sampling Device for Coal Conveying System

我国机械采制煤样装置的发展

CY-D Sampler Automatic Control A new type of coal core sampler

CY-D型耿样机的自动化控制新型钻孔煤心采取器

Research on the safety monitoring image database system in coal mine

煤矿安全监视图像数据库系统研究

Malfunction Analysis and its Application based on Historical Database of Electronic Strap Scales in Strap-transferred Coal-burning System

基于电厂输煤电子皮带秤历史数据库的故障分析及其应用

Shares of coal as an example, more than stock prices have more than 6124 price point.

以煤炭股为例, 多个股票价格已经超过6124点时的股价.