แปลว่า(english) Reverse taper which would prevent removal of a pattern from a mold or a core from a corebox.
Back Draft
คำศัพท์ภาษาอังกฤษ
คำศัพท์ภาษาอังกฤษ
แปลว่า(english) Reverse taper which would prevent removal of a pattern from a mold or a core from a corebox.