Be sure of at least 25 mm (0 inches) between tips of fan blades and fan shrou
确认风扇叶轮与风扇罩之间至少有25公厘（0英寸）的间隙。
Research on Low Pressure Casting Die Manufacturing of Impeller of High-Speed Fan;
高速风扇叶轮低压铸造模具制造的研究
The Fan Impeller Die CNC Machining based on Virtual Technology
基于虚拟技术的风扇叶轮凹模数控加工
The Key Technologies Research on High-Speed Fan Impeller Mold of Remote Network-Based Distributed Collaborative Design
高速风扇叶轮模具网络化异地协同设计关键技术研究
impeller for fans, gas pumps or compressors
风扇、气泵或压缩机叶轮
Check no damage for fan blades and turbine blades.
检查风扇叶片和涡轮叶片无损坏迹象。
crankshaft fan pulley
曲轴上的风扇皮带轮
The fan blades cannot be repaireIf the fan is damaged, it must be replaceInspect the fan blades as follows:
不能修理风扇叶片。如果风扇损坏，必须更换。检查风扇叶片如下：
The center part of a wheel, fan, or propeller.
轮轴轮子、风扇或推进器之中心部分
Field Repairing Technology of Fan Blades for a Turofan Engine
某型涡扇发动机风扇叶片外场抢修技术研究
An airplane with such an engine.
由涡轮风扇发动机提供动力的飞机
Cutaway of the PW 4000112-in(284.48cm) gas turbine engine ,showing fan bypass section.
涡轮发动机剖面图，展示风扇旁路部分。
The optimal discharge angle may be between 0°～10°.
使得送风均匀性的扇叶角度在0°~10°。
RB211-535E4 Engine Fan Blades and Their Maintenance;
RB211-535E4发动机风扇叶片及其维护
Design of Mold Parting-Surface of the Fan Blades Based on Pro/E
基于Pro/E的风扇叶片分型面的设计
Effects of swept-curved blade on the performance of the multistage fan
叶片弯掠对多级风扇气动性能的影响
Overview of Advanced Technology for Geared Turbofan Engine (GTF)
齿轮传动涡轮风扇(GTF)发动机先进技术综述
Remove fan blade assembly from viscous fan drive unit (four bolts).
从粘性风扇驱动装置（四个螺栓）上拆卸风扇叶片组合。
