(english) Irregular-shaped surface cavities in a casting containing carbonaceous matter. Caused by spilling off of the blacking from the mold surface.
ภาพประกอบ (english) Irregular-shaped surface cavities in a casting containing carbonaceous matter. Caused by spilling off of the blacking from the mold surface.
คำศัพท์ช่างภาษาอังกฤษ - ไทยที่คล้ายกัน
blacking blue stone cored hole hardy hole Hole inspection hole key hole lead hole oil hole slag hole spill hole tap hole