...5 micron wide... 
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...001 of a micron...
John. B. Smith 「Explanation of Terms Used in Entomology」
ランダム例文：
nasturtiums pyrethrum exhilarating
便利！手書き漢字入力検索
...5 micron wide...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...001 of a micron...
John. B. Smith 「Explanation of Terms Used in Entomology」
ランダム例文：
nasturtiums pyrethrum exhilarating
便利！手書き漢字入力検索