矿用隔爆兼本安型声光报警器KXB127厂家直销 ¥850.00 矿用带式输送机保护装置KHP143-主机、烟雾、速度、煤位、温度、撕裂、跑偏 ¥100.00 边墙风机SEF-550风量4000m3/h,机外静压170Pa,电源200V,P=0.55KW ¥10.00 边墙排风机SEF-450-0.24KW 风量3500m3/h 材质304不锈钢材质 ¥520.00 BZC-A6B1K1G防爆操作柱ExdeIICT6 ¥10.00 BZC-A2B1K1G防爆操作柱ExdeIICT6 ¥10.00