Shared 2 years ago
288 views
Shared 2 years ago
389 views
Shared 2 years ago
541 views
서보드릴탭머신 #자체제작 #드릴탭겸용가공 Servo drill tap machine #Self-manufactured #Combined machining with drill tap
Shared 2 years ago
676 views
Shared 2 years ago
262 views
Shared 2 years ago
287 views
아연(Zn)성형물 딸때 주의사항 #아연(Zn)주조#주의사항 Precautions for collecting zinc (Zn) molds #Zn casting #Precautions
Shared 2 years ago
446 views
Shared 2 years ago
925 views