给舌头打洞装舌钉常常会导致口腔感染，牙齿的磨损与破损，或是口腔外伤。
Tongue piercings have also been associated with infections, chipped or broken teeth, and gum trauma.
介绍了基于突变论的方法建立刀具磨损与破损失效寿命模型的可行性的研究结果。
The Paper Presents a feasible study of modeling on tool life for the failure modes of tool wear and fracture based on methods of catastrophe theory.
数控切削加工过程中刀具的磨损与破损是数控机床常见的故障之一，而刀具的磨损与破损程度直接影响零件的加工质量。
Cutter attrition and breakage is one of the familiar faults of CNC machine tool, and the degree of cutter attrition and breakage directly influences the quality of the production.
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