If the cable is to remain flexible there exists an upper limit to its overall diameter and hence to conductor size.
若要使电缆能弯曲，其总直径就有一个上限，从而电缆芯导线直径也有一个上限。
If the cable is to remain flexible there exists an upper limit to its overall diameter and hence to conductor size.
若要使电缆能弯曲，其总直径就有一个上限，从而电缆芯导线直径也有一个上限。
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