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Parça ilavesi ve kaynak yapmadan, metal boru cidarinin sekillendirilmesi sureti ile boruda civata yuvasinin teskili
Parça ilavesi ve kaynak yapmadan, metal boru cidarinin sekillendirilmesi sureti ile boruda civata yuvasinin teskili
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机译:通过在不增加零件和焊接的情况下对金属管壁进行整形来在管道中建立螺栓座
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摘要
For the process of construction of junctions of prefabricated metal roofs by connecting metal pipe with bolts by special metal elements, to create slot in a metal pipe by shaping walls of pipe ends directly or in various thickness and twisting inwards.
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