At the early of 2008, we pushed our micro automatic ball valves which with feedback signal and proportional (0-10vdc).
2008年初,在第三代电动球阀的基础上,扩展到带反馈型和模拟量型(0 - 10vdc)的微型电动调节球阀。
At the early of 2008, we pushed our micro automatic ball valves which with feedback signal and proportional (0-10vdc).
2008年初,在第三代电动球阀的基础上,扩展到带反馈型和模拟量型(0 - 10vdc)的微型电动调节球阀。
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