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//  Sunnnorth Technology Co. And shall not be distributed, reproduced,
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//           (C) COPYRIGHT 2003  SUNNORTH TECHNOLOGY CO.
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//  工程名稱： temperature_ctrl.scs
//  功能描述:  水溫控制系統(tǒng)，利用溫度傳感器（PT1000)）測量溫度。是水溫控制在設(shè)定的溫度