Single core cable shall be installed in either trefoil or flat formation and secured using cleats.

单芯电缆可以用三叶草法或者平直法植入。并用夹板固定。

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Single core cable shall be installed in either trefoil or flat formation and secured using cleats.

单芯电缆可以用三叶草法或者平直法植入。并用夹板固定。

youdao