换句话说，比较仪不过是将磨损部分的尺寸与标准的基准部分进行比较而已。
In other words, the comparator merely compares the dimension of the worn part with the standard reference part.
这就意味着，这些不断生长的牙齿，可以有规律地脱落磨损部分，以保持边缘锋利。
This means the teeth, which grow continuously, can regularly shed damaged areas to keep a well-honed edge.
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。
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.
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