This paper puts forward the nonplanar data model to solve the difficult question of 3d topology of mine ventil...
提出采用非平面数据模型来解决通风网络中三维拓扑问题;
This paper puts forward the nonplanar data model to solve the difficult question of 3d topology of mine ventil...
提出采用非平面数据模型来解决通风网络中三维拓扑问题;
The new muffler device has simple structure,it has lesser effect on the resistance loss of chief ventil...
该消声装置结构简单,通风机
阻力损失影响小,
尘、
潮及降噪效果明显,可
应用于煤矿
通风机
消声降噪。
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