The detecting circuit of power line touching of the suspension system of DC long-distance reserve power supply of PHS Cell Station was designed by the characteristic of gaseous discharge tube.

利用气体放电管的特性，实现了小灵通基站后备直流远供电源悬浮系统动力线碰触的检测；电路结构简单，实用性强。

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Now the reserve amounts to 20,000 tons, over a thousand kind of models, are the national scale big seamless tube Support bases.

现在库存量达二万吨，上千种型号，是全国规模较大的无缝管供应基地。

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