bell pit

简明释义

小探井

英英释义

例句

1.After years of use, the old bell pit was finally closed down.

经过多年的使用，旧的钟形井终于关闭了。

2.In ancient times, a bell pit was often the starting point for coal mining operations.

在古代，钟形井通常是煤矿开采作业的起点。

3.The structure of a bell pit allows for efficient extraction of resources.

一个钟形井的结构允许高效提取资源。

4.The miners descended into the bell pit to extract coal from deep underground.

矿工们下到钟形井中以从深处提取煤炭。

5.Safety measures are crucial when working in a bell pit due to the risk of cave-ins.

由于塌方的风险，在钟形井中工作时安全措施至关重要。

作文

The term bell pit refers to a specific type of mining excavation that has historical significance, particularly in coal mining. This method of mining is characterized by its unique shape and structure, resembling a bell, which is where it derives its name. The bell pit was commonly used in the past when miners sought to extract coal from shallow deposits. Unlike modern mining techniques, which often involve extensive machinery and complex processes, the bell pit method was relatively simple and required only basic tools. In essence, a bell pit is created by digging a vertical shaft down to the coal seam, and then the miners would excavate horizontally in a circular manner around the shaft. This approach allowed them to access the coal while minimizing the amount of rock that needed to be removed. As the miners dug deeper, the pit would take on a bell-like shape, hence the name. The bell pit technique was particularly prevalent in regions where coal deposits were located close to the surface, making it an efficient method for small-scale mining operations.Historically, the use of bell pits can be traced back to medieval times in Europe. During this period, coal became an increasingly important resource as it was used for heating homes and fueling industries. However, the bell pit method also posed significant dangers to miners. As the shafts were often unstable and not properly reinforced, there was a high risk of collapse. Additionally, the lack of ventilation in these pits led to hazardous working conditions, including the accumulation of harmful gases.Despite its dangers, the bell pit method played a crucial role in the development of coal mining practices. It laid the groundwork for more advanced mining techniques that would emerge later on. As demand for coal grew, so did the need for safer and more efficient methods of extraction. The challenges faced by miners using the bell pit method eventually led to innovations in mining technology, including the introduction of steam-powered machinery and improved safety regulations.Today, the bell pit is often viewed as a relic of the past, but it serves as an important reminder of the evolution of mining practices. Modern mining operations are vastly different, utilizing advanced technologies and adhering to strict safety standards. However, understanding the history and significance of the bell pit provides valuable insights into the development of the mining industry as a whole.In conclusion, the bell pit represents a fundamental aspect of mining history, illustrating both the ingenuity and the risks associated with early coal extraction methods. Its legacy continues to influence contemporary mining practices, reminding us of the progress made in ensuring the safety and efficiency of miners. As we move forward, it is essential to remember the lessons learned from the past, particularly those associated with the bell pit and its impact on the mining industry.

术语bell pit指的是一种特定类型的矿井开挖，具有历史意义，特别是在煤矿开采中。这种采矿方法的特点是其独特的形状和结构，类似于一个钟，因此得名。bell pit在过去常用于矿工提取浅层煤炭。当时与现代采矿技术相比，这种方法相对简单，只需基本工具。本质上，bell pit是通过向下挖掘垂直井口到达煤层，然后矿工会在井口周围以圆形的方式横向开采。这种方法使他们能够在最小化需要移除的岩石量的情况下接触到煤炭。随着矿工挖掘得更深，矿井会呈现出钟形，因此得名。bell pit技术在煤层靠近地表的地区尤为流行，使其成为小规模采矿作业的有效方法。历史上，bell pit的使用可以追溯到欧洲的中世纪。在这一时期，煤炭作为一种重要资源变得越来越重要，因为它被用于加热家庭和为工业提供动力。然而，bell pit方法也给矿工带来了重大危险。由于井口往往不稳定且没有得到适当加固，因此存在高风险的坍塌。此外，这些矿井缺乏通风，导致工作条件危险，包括有害气体的积聚。尽管存在危险，bell pit方法在煤矿开采实践的发展中发挥了关键作用。它为后来的更先进的采矿技术奠定了基础。随着对煤炭需求的增加，对更安全、更高效的提取方法的需求也随之增加。矿工在使用bell pit方法时面临的挑战最终导致了采矿技术的创新，包括蒸汽动力机械的引入和安全法规的改善。如今，bell pit常常被视为过去的遗物，但它作为采矿实践演变的重要提醒仍然存在。现代采矿作业截然不同，利用先进的技术并遵循严格的安全标准。然而，了解bell pit的历史和重要性为我们提供了对整个采矿行业发展的宝贵见解。总之，bell pit代表了采矿历史的基本方面，展示了早期煤炭开采方法的聪明才智和风险。它的遗产继续影响当代采矿实践，提醒我们在确保矿工安全和效率方面取得的进展。随着我们向前发展，记住与过去相关的教训是至关重要的，特别是与bell pit及其对采矿行业的影响相关的教训。