略語大辞典 [Env] 42 VLF vertical laminar flow (approach) 垂直層流法. クリーンルーム技術. vertical laminar flow (approach); a contamination control technology in semiconductor industry; ref. ULPA(ultra low penetrate air) filter; [Env:C:Ind:Chem:Phys]. 丸善「略語大辞典」JLogosID : 11852915