The key of settling the difficulties of supporting and caving is to develop and adopt the new style hydraulic caving supports with tail beam of expansion link combined by above 2 new technologies.
全面解决支护和冒放等难题，关键在于开发和采用由上述两项新技术结合而成的新型放顶煤液压支架-伸缩杆尾梁放顶煤液压支架。
As an important part of engine, the welding quality of the tail pipe should be ensured when jointing it using the electron beam welding.
尾喷管是发动机的重要部件，其连接采用电子束焊接方法，对质量要求很高。
Based on the deflection curve of a built - in beam, the concept of imaginary tails was presented clearly. It supposed that each car had an imaginary tail.
以固支梁挠度曲线方程为基础，明确地提出了假想尾巴的新概念，它假定每一车辆有一假想的尾巴。
应用推荐