The worn-out parts 磨损部件
Bearing shaft through bearing support: turning, is the heaviest part and load easily worn-out parts.
轴承：转轴通过轴承支撑转动，是负荷最重的部分，又是容易磨损的部件。
The list of spare parts, special tools and easily worn-out parts for one year the Seller will supply.
一年用的备件，专用工具和容易磨损零件等清单，卖方须提供。
The invention relates to welding and overlaying and can be used for recovering worn-out parts of pieces like solids of revolution, in particular drill pipes.
本发明涉及焊接和堆焊，还可以用于修复回转体类型件，特别是钻杆的磨损部分。
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