您要查找的是不是：
- Research on Technology for Increasing the Service Life of Gun Barrel by Adding Namomaterial to the Propellant 基于纳米材料改性发射药的身管延寿技术研究
- service life of gun barrel 身管寿命
- Study of Estimation Method of the Remaining Life of Gun Barrel 火炮身管剩余寿命评定方法的探讨
- New Technologies to Extend the Erosion Life of Gun Barrel 国内外火炮身管延寿技术研究进展
- 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。
- Dissection of gun barrel in range test shows that laser hardened basal body can control the spread of main cracks in chromium layer and deviation to boundary layer. 靶场实验身管解剖表明,激光淬火基体可以控制铬层主裂纹在基体内按原路径扩展,不向界面偏折。
- 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。
- 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。
- Having a smooth bore. Use of a gun barrel. 具有一个平滑的枪膛。用来指一支枪的枪管。
- 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。
- 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。
- Measuring System of Gun Barrel's Wear Based on Laser Ranging 基于激光测量的身管磨损量检测系统研制
- 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。
- It is not considered meaningful to try to estimate or calculate the service life of an FW bushing. 估计或计算FW轴套的使用寿命被认为是缺乏意义的。
- Italian inventors have been experimenting with mounting large numbers of gun barrels in one frame.This example features 36 mounted on a wagon much like the standard ribault. 意大利军械专家们潜心钻研如何将更多炮管安置于同一炮身，最终研制成功三十六管火炮。
- An enterprise shall analyze and judge the service life of intangible assets, when it obtains intangible assets. 第十六条企业应当于取得无形资产时分析判断其使用寿命。
- Rust had eaten outthe gun barrel. 枪筒已被锈蚀。
- Measures to extend service life of lead-acid storage batteries used on electric bicycles. 延长电动车用阀控铅酸蓄电池的使用寿命的措施。
