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;
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;
The new muffler device has simple structure,it has lesser effect on the resistance loss of chief ventil...
该声装置结构简单,对主要通风阻力损失影响小,尘、潮及降噪效果明显,可广泛应用于煤矿主要通风声降噪。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件观点;若发现,欢迎向我们指正。