Application of confirmation model for reasonable pre - draining time is introduced in this paper 摘要主要介绍了合理预抽期确定模型在焦作矿区的应用。
2.
The reasonable confirmation of pre - draining time is one of the key factors of gas draining for reducing danger degree of gas bursting 为了减少瓦斯突出的危险性,合理地确定预抽期是瓦斯抽放的关键因素之一。