Aircraft gun noise load spectrum or environment spectrum shape compilation method
Double-row water-cooling staggered quartz lamp radiation heating device
The Hydraulic and Air Pressure System and PLC System for the Button Cell Spreader
Turbine blade joggle joint part high-low cycle composite fretting fatigue test device and method
Bidirectional reinforced composite material wallboard
Dynamic Continuum Model with Elastic Demand for a Polycentric Urban City
Large turboprop passenger aircraft engine vibration reduction installation system
Covering cap lock and covering cap structure comprising same
Use of Value Management Theory to Control the Cost of Railway Transportation Project
Research on Seat Design of Railway Passenger Car