Design of relay controlled floated barometric feeding of water has been introduced. Practical production has proved that such device can work reliably wish high effect.
介绍了继电控制的浮子式气压加水器的设计，生产应用证明：工作可靠，效益明显。
Design of relay controlled floated barometric feeding of water has been introduced. Practical production has proved that such device can work reliably wish high effect.
介绍了继电控制的浮子式气压加水器的设计，生产应用证明：工作可靠，效益明显。
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