RR1220Q-17R8-D-M规格参数
相关型号
RR1220Q-180-D RR1220Q-18R2-D-M RR1220Q-18R7-D-M RR1220Q-19R1-D-M RR1220Q-19R6-D-M RR1220Q-200-D RR1220Q-20R5-D-M RR1220Q-21R0-D-M RR1220Q-21R5-D-M RR1220Q-220-D