PVC護線套：邊篇網有規律性的「不平度」，表明製作工藝好，不容易造成相對性拖動，是好電纜線。
查驗屏蔽掉層編網：編數足夠增加套管編網，具有可焊性，鍍錫銅線里採用鈦鎂鋁合金線，屬於好電纜線。
查驗銅芯電纜：SYV電纜線直徑為0.78-0.8mm，SYWV電纜線直徑為1.0mm。
查驗銅芯電纜與電纜護套的沾協力：斜向割開電纜護套，按脫離方位打開銅芯電纜，若銅芯電纜和電纜護套有很大的沾協力，屬於好電纜線。
豎向抗壓強度試驗：雙手各自握電纜線的鄰近雙層，向反過來方位帶動，用力都拉不動，證明是好電纜線。
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How to identify the advantages and disadvantages of weakly installed cable according to the estimated appearance?
PVC protective wire cover: The edge of the [微同城信息网提醒：谨防网络虚假兼职网赚信息！客服热线：400-088-0725] has a regular "unevenness", indicating that the production process is good, it is not easy to cause relative drag, it is a good cable.
Check the shielded layered [微同城信息网提醒：谨防网络虚假兼职网赚信息！客服热线：400-088-0725]work: the number of encoders is enough to increase the casing mesh, and it has solderability. The tin-magnesium-aluminum alloy wire is used in the tinned copper wire, which is a good cable.
Check copper core cable: SYV cable diameter is 0.78-0.8mm, SYWV cable diameter is 1.0mm.
Check the adhesion between the copper core cable and the cable sheath: cut the cable sheath obliquely and open the copper core cable in a direction away from the orientation. If the copper core cable and the cable sheath have a great influence, it is a good cable.
Vertical compressive strength test: Each hand holds the adjacent double layer of the cable, and drives it in the opposite direction. It does not move with force, which proves to be a good cable.
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