plug-and-ring forming

... ● plug forming 模塞(助压)成形 ● plug-and-ring forming 塞-圈成型法 ● pneumatic mechanical forming 气动-机械成形 ...

环模塞压成型,plug... ... ) plug-and-ring forming 环模塞压成型 ) pressure bubble-plug assist vacuum forming 气胀模塞压成型 ...