(english) Irregular-shaped surface cavities in a casting containing carbonaceous matter. Caused by spilling off of the blacking from the mold surface.

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ภาษาอังกฤษ Blacking Hole

ภาพประกอบ (english) Irregular-shaped surface cavities in a casting containing carbonaceous matter. Caused by spilling off of the blacking from the mold surface.

  • (english) Irregular-shaped surface cavities in a casting containing carbonaceous matter. Caused by spilling off of the blacking from the mold surface. ภาษาอังกฤษ?, คำศัพท์ช่างภาษาอังกฤษ - ไทย (english) Irregular-shaped surface cavities in a casting containing carbonaceous matter. Caused by spilling off of the blacking from the mold surface. คำศัพท์ภาษาอังกฤษ (english) Irregular-shaped surface cavities in a casting containing carbonaceous matter. Caused by spilling off of the blacking from the mold surface. แปลว่า Blacking Hole

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