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浮石 (ukiishi) River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 軽石 (karuishi) River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
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パミス; パマス | |||
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軽石 (karuishi) Geological Terms Dictionary (Bruce Bain and Leslie Oberman) | |||
English thesaurus | |||
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pm | |||
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Precision Unmanned Integrated Control Equipment |