经过激光处理后的锯片使用性能和寿命大幅度提高。
The performance and service life of blade can be greatly improved after hardening.
装卸桥金属结构的强度和刚度直接关系到整机的使用性能和寿命。
Strength and rigidity of metal structure of the loading bridge are directly relative to the working properties and service life of the whole machine.
本文讨论该材质的应用现状和通过合金化及控制组织来提高材质的使用性能和寿命。
The application of the new material and its improvement of operation performance and service life by alloying and controlled tissues are discussed in the paper.
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