Principle analyse produce powder bag stress produced to explode involve and produce and catch gas can cut function mechanism that crack expand further gathering mainly according to fracture mechanics.
根据断裂力学原理分析了主爆药包爆炸产生的应力波及爆生气体对聚能切割裂隙进一步扩展的作用机理。
Analyse principle of operation, technology feature of single-phase alternating current induced liquid metal electromagnetic pump wave soldering machine.
重点分析单相交流感应式液态金属电磁泵波峰焊接设备技术的工作原理、技术特征；
Objective To analyse the onset of thyroid nodule, discuss the induction of thyroid nodule diagnosis inspection method, the principle, operation methods and the prevention of complications.
目的分析甲状腺结节的发病情况，探讨归纳甲状腺结节的检查方法、诊疗原则、手术方式及并发症的预防。
应用推荐