气动初矫正机械
Pneumatically-operated pre-straightening machine
机械误差矫正
mechanical error correction
电机机械式扫描
electromechanical scannig
scanning
electromechanical
发动机机械故障研究
Research on the mechanical failure of the engine
纺纱机械机构
mechanism of spinning frame
风机机械特性曲线
mechanical characteristic curve of fan
钢板矫正机
plate leveling machine
plate leveler
plate straightening machine
钢轨矫正机
rail straightening machine
rail straightener
工程机械机群
engineering machinery cluster
Engineering Machine-group
辊式矫正机
gaugger
roller straightening machine
roll straightener