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Add:NO.11ZhongShanDongEr Road,Lianghui Economic Development Zone
Yuyao,Zhejiang,China
Oversea Sales Department
Sales Manager: Ivy Ju (Ms.)
Tel:+86-18658448699
Email： ivy@nbdcck.com
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522540423 |
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電磁流量計(jì)技術(shù)發(fā)展的各個階段 |
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Date：2013/9/27 14:42:08 Hits：3724 |
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| 隨著電子技術(shù)的發(fā)展，近幾十年來，<a href="http://www.xahblawyer.com.cn"><strong>電磁流量計(jì)</strong></a>也經(jīng)歷了五個時代，分別是：電子管、晶體管、集成電路、大規(guī)模集成電路和微處理器技術(shù)。與此同時，做完電磁流量計(jì)嘴關(guān)鍵的技術(shù)：<a href="http://www.xahblawyer.com.cn"><strong>電磁流量計(jì)</strong></a>的勵磁技術(shù)也經(jīng)歷了直流勵磁(含永磁勵磁)、工頻正弦波勵磁、低頻矩形波勵磁、低頻三值矩形波勵磁、雙頻矩形波勵磁這五個階段的發(fā)展。<br />
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<a href="http://www.xahblawyer.com.cn">www.xahblawyer.com.cn</a> |
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