Should be used to verify installed heating cable length (including the length of parallel branches), whether long or the maximum allowable length designed to use length.
安装时应校验所用伴热电缆长度(包括并联的各分支长度)，是否超长设计长度或允许的最大使用长度。
Should be used to verify installed heating cable length (including the length of parallel branches), whether long or the maximum allowable length designed to use length.
安装时应校验所用伴热电缆长度(包括并联的各分支长度)，是否超长设计长度或允许的最大使用长度。
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