略語大辞典 [Mat] 31 HWBF high-water base fluid 高含水流体. 質量割合で水が約95%で残りは鉱油その他の非水系の不燃性油圧油.high-water base fluid; a type of oil; [Mat:Chem:E]. 丸善「略語大辞典」JLogosID : 11877525