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| 可変情報板 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
| English thesaurus | |||
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| A sign capable of presenting several pre-determined messages or no message, as applicable. | |||
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| 可変情報板 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
| English thesaurus | |||
| |||
| A sign capable of presenting several pre-determined messages or no message, as applicable. | |||
