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1.King-sized lifting sling is the high load component in the procedue of lifting weighing 2 395 kg. Its processing quality can directly affect derrick′s successful setching up.
特大型井架起吊索具是井架起吊过程中高负荷的构件,起吊索具单件重量2 395 kg,其加工质量可直接影响到井架的竖立。收藏指正
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