SRNBNC⁶¹²⁰⁷ 基本例句 n.短程精确导航系统¹⁰⁰ All- sealed maintenance free SRN high temperature resistant oil immersed transformer, SCB10 and SG10 type dry transformer can be selected for the substation. 变压器可选用全密封免维护 SRN耐高温液浸变压器， SCB10， SG10干式变压器等。 www.aerotec.com.sg