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關注：1
2013-05-23 12:21
求翻譯：Only the special transmitters e.g. position transmitters, flow (special) transmitters and analysers may be provided with conventional signal 4..20mA without HART.是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
Only the special transmitters e.g. position transmitters, flow (special) transmitters and analysers may be provided with conventional signal 4..20mA without HART.
問題補充： |
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