用電阻材料製成的、有一定結構形式、nengzaidianluzhongqixianzhidianliutongguozuoyongdeerduandianziyuanjian。zuzhibunenggaibiandechengweigudingdianzuqi。zuzhikebiandechengweidianweiqihuokebiandianzuqi。lixiangdedianzuqishixianxingde，jitongguodianzuqideshunshidianliuyuwaijiashunshidianyachengzhengbi。yixieteshudianzuqi
，ruremindianzuqi、yamindianzuqiheminganyuanjian，qidianyayudianliudeguanxishifeixianxingde。dianzuqishidianzidianluzhongyingyongshuliangzuiduodeyuanjian

，tongchangangonglvhezuzhixingchengbutongxilie
，gongdianlushejizhexuanyong。yixiashixiaobianweidajiadailaideshenmeshidianzuqi？dianzuqiyongtujidianzuqigongzuoyuanli。