常見例句Butterfly valves have a wider range of chemical resistance due to the trim options and choice of elastomeric liners.由于蝶閥能夠采用各種表面處理技術和選擇彈性材料管道,所以蝶閥具有極強的化學防腐性能。All butterfly valves may incorporate the use of silicone in either grease or aerosol form during the assembly.在組裝期間,所有蝶閥都可能接觸到潤滑脂或氣溶膠噴射中的硅酮。 返回 butterfly-valve