欧美毛码AV高清在线观看

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添加時間:2013/4/6 16:27:49  熱度:6569℃

用途說明
  本礦用變壓器適用于交流50Hz,電壓等級為1140V及以下,容量為500VA及以下,它廣泛用于礦用隔爆型磁力電器中的控制線路局部照明及信號設備的電源之用。

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欧美毛码AV高清在线观看
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