超声波传感器系列:250ST(SR)160,250ST(SR)180,250ST(SR)240,328ST(SR)160,328ST(SR)180,400ST(SR)100,400ST(SR)120,400ST(SR)160,250ET(ER)250,328ET(ER)250,400ET(ER)080,400ET(ER)180,400ET(ER)250,400PT120...