ベントナイト
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Meanings
1
bentonite
A type of absorbent clay formed from volcanic ash, used in drilling mud, binder, and sealant. Technical term.
Bentonite is used as a waterproofing material in civil engineering works.
bentonite
A type of absorbent clay formed from volcanic ash, used in drilling mud, binder, and sealant. Technical term.
Bentonite is used as a waterproofing material in civil engineering works.