Traditional heat meter is an integral structure of integraph, machine core and base, and it is uneconomical in use.
传统的热量表机芯、积分仪和基表结合为一体，这种结构对表的检测和维修都是不经济的。
Traditional heat meter is an integral structure of integraph, machine core and base, and it is uneconomical in use.
传统的热量表机芯、积分仪和基表结合为一体，这种结构对表的检测和维修都是不经济的。
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