longwall meaning in Chinese
长壁法回采
长壁工祖
长壁工作面
长壁开采法
长工作面
连续工作面
Examples
- The support power of the trend longwall coal face
走向长壁高档采煤工作面支护力 - Study on roof control in shallow seam longwall mining
浅埋煤层长壁开采顶板控制研究 - Ways to raise unit production of longwall face
提高综采工作面的单产途径 - Technology for fully mechanized longwall coal mining face through fault
综采工作面过断层技术 - Common fault analysis and shootings of longwall coal shearer
长壁式采煤机常见故障分析及其排除