R4780B1003-1R4780B1011-2R4780C1001-2R4780C1019-2R4780D1009-1R4780D1017-1RA890F/G日本山武YAMATAKERA890F1460×2RA890F1411×2RA890F1452×2RA890F1296×2RA890G117×2RA890G1278×2燃油\燃气专烧及燃油燃气混烧燃烧装置安全运转的燃烧安全控制器)