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xiu zao dian di
Pages: 28
Year: Issue:  8
Journal: Farm Machinery

Keyword:  曲轴农用运输车轴承外环齿轮室盖电焊轴承损坏支梁驾驶室油封推土机;
Abstract: <正> 一辆农用运输车驾驶室某处脱焊,后用电焊焊好。但行走时发现左前轮外轴承损坏。原来修理工在电焊时把接铁线放在左前轮轮辋上,电流通过轴承把外套和滚柱烧结在一起。由此可见,电焊时
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