机械卡封隔离
mechanical sealing isolation
机械卡水
mechanical water plugging
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
工程机械机群
engineering machinery cluster
Engineering Machine-group
空-空后冷载重车发动机机械设备手册
ataac truck engine mechanical manual
染整机械机构
dyeing and finishing mechanism
拖拉机机械式样板刮产器锁
tractor mechanical screed lock
IC卡机房自动管理系统
ICcard network automatic management system