High-speed rolling bearings are widely used in the aerospacefield.
高速滚动轴承广泛应用于航空航天领域。
2
The present situation, development and application of foreign advanced thermoplastic composites for the aerospacefield are introduced.
本文介绍了国外航空航天用高性能热塑性复合材料的现状、发展趋势及其作用。
3
The invention can be used for nondestructive inspection and evaluation of the inner and deep defects of a multilayer conductive structure in important fields such as aerospacefield.