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| Preformed fittings |
preformed helical suspension clamp take advantage clamp strenth from the preformed armor rod and then make the friction to clench the wire ,so that the product has disperse the strength and can not so easy to damage the wires.
2016年8月22日星期一
Preformed fittings
preformed helical suspension clamp take advantage clamp strenth from the preformed armor rod and then make the friction to clench the wire ,so that the product has disperse the strength and can not so easy to damage the wires.
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