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- The method of fan flowrate is tested by static pressure difference is put forward according to the characteristic of series BD counter rotating fan. 根据BD系列对旋式主通风机的结构特点和风流流动特征,提出了静压差法测试风机风量的方法;
- The analysis and test on rotating fan are made to specify the counter rotating efficiency of diffuser tube with diffuser tube(tower),silencer and collector is lower 50% than YB2F(JBT) series. 通过对矿用对旋式通风机的分析试验研究,阐明了带扩散筒-塔和带消声器扩散筒与集流器的对旋效率比JBT型低50%25左右。
- Counter rotating axial fan is a kind of down-hole long distance ventilated equipments that just applied in recent years;the in-depth research of it can ensure the safe production of the coalmine. 对旋轴流式通风机是一种近年才推广应用的井下长距离通风设备,对它的深入研究可以使煤矿的安全生产得到大大保证。
- Counter rotating axial ventilation fan for mine use 矿用对旋轴流通风机
- While avoiding simulated yaw moments as the whirling wing is balanced with a coaxial counter rotating whirling wing. 同时避免由于旋转翼模拟偏航时刻是平衡的同轴旋转旋转翼计数器。
- With visualization twin screw extruder, the melting progressing of Polypropylene (PP) in intermeshing counter rotating twin screw extrusion was investigated. 借助于玻璃视窗可视化挤出机,对啮合异向双螺杆挤出过程中聚合物粉料的熔融进行了实验研究;
- Sacred geometry - the star tetrahedron - which is the Star of David - counter rotating fields linked to the spirals of movement of consciousness from one level of reality to another. 神的几何学-星四面体-就是大卫之星-连接到实相层面到另一个层面意识运转的螺旋计数器旋转场。
- According to the intermeshing mechanisms of co and counter rotating twin screws,the 3D solid modeling of twin screw was realized by using Mechanical Desktop(MDT) of AUTODESK in this paper. 本文根据双螺杆横截面几何造型方程，运用MDT软件包，实现了同向和异向旋转双螺杆的三维实体造型。
- Three dimensional flow simulation of new pineapple-like components in an intermeshing counter rotating conical twin screw extruder with mixing blocks is performed with a finite element package, ANSYS. 对混炼型锥形双螺杆的挤出产量、物料压力、物料流动状态及混合效果进行了大量实验研究。
- Overload Analysis and Improved Design for Two-step Motor of Counter Rotating Fan 对旋式通风机二级电机的过载分析及改进设计
- Research on the safety operation of an extractable explosion-proof counter rotating fan in mine 矿用防爆对旋抽出式通风机安全运行的探讨
- Theoretical Analysis and Experiment Research on Contra-rotating Fan Secondary Region Experiment Reseach on Rotating Stall of Counter Rotating Axial Fan 对旋式轴流风机二级区域理论与实验研究
- The infatuated fan stalked the celebrity. 那位着了迷的崇拜者追踪这位名人。
- She glanced shyly at him from behind her fan. 她羞怯地从她的扇子后面看了他一眼。
- twin disc counter rotating type hydro-stone-flat grinder 双盘对转式水磨机
- I'm a secret fan of soap operas on TV. 我从不声张我是电视连续剧迷。
- counter-rotating axiai fan 对旋轴流通风机
- There was an enormous cat crouching on the counter. 柜台上蜷伏着一只硕大的猫。
- He is a basket- ball fan, so am I. 他是个蓝球迷，我也是。
- He placed the money on the counter. 他把钱放在柜台上。
