C是common即变压器的公共端。热电偶的控制器不用电池，或者有的直接用24V供电

来源: chinomango 于 2021-07-19 22:27:56 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.