Biomass pellet fuel production technology mainly has two ways, one is a hot compression extrusion molding technology, the other is a high pressure cavityforming technology.
生物质颗粒燃料的生产技术主要有两种方式，一种是热压缩挤压成型技术，另一种是高压模腔成型技术。
2
According to the theory of shock waves, the smash district and its forming time, the blasting cavity radius and its expanding characteristics are all discussed in this paper.
运用爆炸冲击波理论，讨论了炮孔柱状装药爆破时的岩石粉碎区及其形成时间、爆腔半径及其扩胀规律。
3
The total working size of a mould cavity is formed by the combination and accumulation of the sub-working sizes of the forming parts during the assembly process.