Two terminal extensions are fixd on both ends of a ceramic tube on whose surface winds wave-shapcd alloy resistance wire and a high temperature-resistant and fireproof coating are applied.
在圆柱形的瓷管上固定了两个引出端子，陶瓷管表面上缠绕了扁带波浪形状的合金电阻丝，并在其表面涂覆一层具有阻燃，耐高温特性的涂层。
The input and output of the ceramic filter are tied together. The filter's center terminal (normally grounded) is connected to the current limiting resistor.
陶瓷滤波器的输入端和输出端被接到了一起，而它的中心端（正常使用时经常接地）连接到限流电阻。
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