国产美女搞久久_精品三级av在线_欧美不卡一区二区三区四区_日本一区视频在线观看免费

產品用途:產品適用于煤礦井下無線電通訊設備和采用類似技術的電子裝置的有關無線電子設備中傳輸射頻信號。

Scope of application:The product is fit for the transmission of radio frequency signals in radio equipment or in electronic equipment adopting similar technologies.

執行標準 Standards implemented: Q/3210HL32-2005