高压油管: . Y$ f" ^, O8 @one end 1"FNPTx1"FNPT Coupler and nipple with dust caps or plugs(coupler and nipple thould be zero leakage type and locked by screw)W/1' MNPTX1-7/8"UNF JIC female adapor and a 1-7/8"-12UNF JIC male blind / }8 e E% ?1 ^. lother end :1" SAE Code 61 3 ~5 h1 {# W+ b$ e不明白啊?请指教