薄壁件
thin-walled component
Thin-walled Workpiece
thin-wall parts
Thin-wall Part
Thin-walled Components
thin wall part
sheet metal
thin-walled workpiece cutting
thin-wall workpiece
Thin-wall Components
Thin-wall Component
Pieces of Thin-walled
Thin-boarded Parts
Thin-wall work piece
Thin-walled Part
Thin-thickness casting
thin-walled piece
Thin-walled parts
thin wall parts
Thin wall casting
Thin wall castings
thin section castings
thinwall part
sheet component
thin-wall piece
thin wall workpiece
part with thin wall
直接传动汽轮发电机
direct-connected turbogenerator
直接传动式记录仪表
direct-acting recording instrument
直接传输法
direct transmission method
直接传输范围
direct-transmission region