Application to detect and signal an existing gas flame using flame rod or UV detector.

通过使用火焰杆或紫外检测器检测现有气体火焰并发出相应信号。

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Application to detect and signal an existing flame using flame rod or UV-detector.

通过使用火焰杆或紫外检测器检测现有气体火焰并发出相应信号。

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Of our own production of wire rod has 25 time, we have a telephone line a range of products and audio signal cable.

我们自己生产线材已经有25的时间了，我们有电话线一系列产品及音频信号连接线。

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It is able to highlight details human eyes cannot normally see, either because they are swamped by the signal from other visible frequencies, or because they are not detectable by the rod and cone cells of the retina.

ECONOMIST: Monitor