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。
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。
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。
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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