WINNER液压阀 RV11A3BAL
（旁通压力补偿阀，附液压功能）
RV11A3BAL/RV11A3BAK/RV11A3BAC
RV11A3BBL/RV11A3BBK/RV11A3BBC
RV11A3BCL/RV11A3BCK/RV11A3BCC
RV11A3BWL/RV11A3BWK/RV11A3BWC