Anyị na-enye ihe mkpuchi mkpuchi PVD zuru oke maka ndị ahịa anyị, anyị na-enyekwa ha ngwa niile.A na-ahazi nha nke usoro mgbapụta.Ọ na-abịa na mgbapụta mgbasa + mecahnical pump + mgbọrọgwụ mgbapụta na pipeline.Anyị na-anwale ike oghere maka sistemu mgbapụta na ihe nchọpụta helium tupu nnyefe.
Oge nzipu: Nov-04-2022