This paper describes the design and application of a new type of weatherstrip rollingdevice where low-velocity, fixed-torque aerodynamic spanner and special roller head is employed.
介绍了一种利用低速定扭矩气动扳手配置专门滚压夹头的新型密封条滚压装置的设计与应用。
2
This is a combined rollingdevice applied to ron rebar end into paralled thread by removing the rebar ribs. It absolntely differs from general methods about rolling thread in principle.
应用一种组合滚轧装置，它能在钢筋的端头除去凸肋并将其轧成直螺纹。
3
The noise at lower part of railway cars consists of rolling noise, aerodynamic noise and driving device noise.