pig bed

A mold, made in a bed of sand, in which pig iron is cast; a pig.

Japanese Meaning

砂を敷いた型で銑鉄（粗鋼）を鋳造するための型具 / 豚

Before the pour, the crew checked the pig bed for cracks and proper compaction to avoid casting defects.

注湯前に、作業員は砂床に作った鋳型にひび割れや適切な締め固めがないかを確認し、鋳造欠陥を防いだ。

Sense（1）

A mold, made in a bed of sand, in which pig iron is cast; a pig.

pig beds

（ plural ）