coalface的翻译，读音
英/ ˈkəʊlfeɪs /
美/ ˈkoʊlfeɪs /
释义：
n.[矿业] 采煤工作面；（正在开采的）煤层截面
词态
复数coalfaces短句
at the coalface 做实际工作的例句
The length of the first coalface in a mining-district controls the distances of first weighting and periodic weighting of the main roof. 在采区范围内首采工作面的长度控制着老顶的初次来压步距和周期来压步距。
The mechanical model of key strata supported by coal pillar is set up according to the layout of coal pillars in the coalface of short wall mining. 根据短壁开采条件下保护煤柱的布设特点，建立由保护煤柱支承的关键层力学分析模型。
The position and state of the main roof above the terminal line of the coalface nearby the rises affect the magnitude of the peak abutment pressure and the difficult extent of the rise maintenance. 上山附近终采线上方老顶岩层的位态影响着煤柱支承压力的大小和上山维护的难易程度。