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- The improvement of structure and manufacturing process was done in the aspect of low service life of blanking dies of brake block steel-back. 本文针对汽车刹车片钢背落料凹模使用寿命低的问题,对模具的结构和制造工艺进行了改进。
- service life of structure 构筑物使用寿命
- Practice has proved the reasonableness of die structure and long service life of the die. 实践证明此模具结构合理，模具寿命高。
- Material, surface and structure design of heating tube imported enable water scale fall off automatically at felicity conditions which prolong service life of heater much. 吉之美采用英国进口加热管，其材质选择及表面与结构设计可使加热管上的水垢在适当条件下自动脱落。
- Of combusting arc, and improve the service life of load fuse box. 和消弧材料的损耗,以提高载熔件的使用寿命。
- Keep clean filter can prolong the service life of the chiller. 保持过滤网干净可以延长冷水机的使用寿命。
- The thicker tube ends and double top structure used by CASTON are able to strengthen torque and prolong service life of drill pipe. 在钻杆接头加工中，凯司通公司率先采用先进的管端加厚及接头双顶结构，大大增强钻杆的许用扭矩和钻杆寿命。
- For low-alkali cement is the key for inhibiting alkali-aggregate reaction and increasing service life of concrete structure. 采用低碱水泥是抑制碱-集料反应,提高砼结构工程使用寿命的关键。
- Reviews for the Research of Performance Reliability-Based Design Theory for the Whole Service Life of Structures 基于功能可靠度的结构全寿命设计理论研究综述
- The service life of a machine depends chiefly upon how it is being used. 机器的寿命主要取决于它如何使用。
- The structure and cutting property on HSS machine taps by deep cryogenics are studied. Results indicate that service life of product taps are improved by cryogenic processing. 对高速钢成品丝锥深冷处理前后的组织及性能进行了分析研究。结果表明,成品丝锥通过深冷处理可明显提高使用寿命。
- Extra large body of bridge bears the whole main bearing foundation of structure of bridge, service life and security of the whole bridge of back cover quality relation of the foundation pit. 特大型桥梁的锚体或承台都是全桥的主要承重结构的基础,基坑的封底质量关系全桥的使用寿命和安全。
- Such an initial lubrication will also extend the service life of the bearing. 这种初次注脂也能延长轴承的使用寿命。
- The farmers try hard to lengthen the service life of their farm tools. 农民们想尽一切办法延长农具的使用年限。
- The instable voltage of power grid shortens the service life of street lamps. 电网供电电压不稳定，致使路灯的使用寿命缩短。
- Sure, his dad is a lush, but he's always the life of the party. 没错，他父亲是个酒鬼，但他永远是宴会的灵魂人物。
- The results indicate that EMR can improve the fatigue life of structure, and can drive interference-fit fastener with large interference. 研究结果表明，电磁铆接技术能够提高结构疲劳寿命，能够安装大干涉量干涉配合紧固件。
- Great improvement has been brought about in the service life of springs by hot peening. 用锤头连续敲打金属表面的方法大大地延长了弹簧的使用寿命。
- She had led a life of luxury and privilege. 她过著养尊处优的生活。
- The desig ner should consider comprehensively the effect of structure data and radial clea rance on the life of the roller bearing, in order to make optimum design. 钻头设计要优化轴承结构参数和径向游隙，以提高国产牙轮钻头的寿命。
