And experiment indicate that, machined parts will occur plastic deformation after lapping, even surface of brittle materials such as ceramics and carbide will deform to a certain degree.
实验还表明研磨加工后，工件表面都产生塑性变形，即使是像陶瓷、硬质合金等硬脆性材料，其表面也存在一定的塑性变形。
Using imported digital display frequency transformer and electronic components, it has the features of stable and reliable operation, firm sealing, even surface and beautiful appearance.
采用进口数显变频器及电器元件，具有运行稳定可靠、封口牢固、平整美观等特点。
Using imported digital display frequency transformer and electronic components, it has the features of stable and reliable operation, firm sealing, even surface and beautiful appearance.
采用进口数显变频器及电器元件，具有运行稳定可靠、封口牢固、平整美观等特点。
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