Category:JA:水
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水域や water management を含む 水 に関するあらゆる地物です。海岸線や marine navigation を含めた marine 環境も含みます。
Subcategories
This category has the following 6 subcategories, out of 6 total.
Pages in category "JA:水"
The following 4 pages are in this category, out of 4 total.