pig bed
A surname.
Alternative form of cotransfection
A mold, made in a bed of sand, in which pig iron is cast; a pig.
Any diatom of the family Plagiogrammaceae
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。
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