Ignition advance Angle MAP is obtained by calculating ignition model. The MAP is optimized by on line tune up system in the bench test.
根据点火模型确定点火提前角MAP图，并在台架实验中采用在线修改系统进行优化。
2
Not just any bench, but that very particular model of benches that are found all over the town.
长凳并不特别，就是城市中到处可见的那种长凳模型。
3
Three dimensional finite element computing model is established and the effect of stemming length to deep hole bench blasting is studied by three dimensional finite element method.