冲压冷锻成形
flow control forming of sheet metal
冲压用优质冷轧薄板
cold-rolled drawing quality sheet
冷轧冲压
cold-rolling and stamping
Cold Rolling and Stamping
高压冲压装置
high voltage impulse test unit
氨制冷压缩机
ammonia refrigerating compressor
半封闭活塞式制冷压缩机
semi-hermetic reciprocating refrigeration compressor
semi-hermetic reciprocating refrigeration compress
半封闭制冷压缩机
semi-hermetic refrigeration compressor
爆压冷焊技术
cold welding technology under explosive pressure