useful life factor是什么意思

网络释义

用法例句

Taking the glisten brightness of pavement mark with different function of actual roads of Beijing for instance,the residual serve life of pavement mark is analyzed and the attenuation regularity of road marks is disclosed.

以北京市实际道路不同功能标线的反光亮度为例,分析标线产品的剩余有效寿命,揭示标线亮度衰减的规律,由此建议根据不同的道路标线需求制定道路标线的设计和养护方案,以满足驾驶人夜间的视认需求。

Study of factors in corrosion fatigue life riveted joints;

连接件腐蚀疲劳寿命影响因素的研究

Research on effect of bearing steel contact fatigue life

GCr15轴承钢的接触疲劳寿命影响因素

The Effect of Small Bell Diameter on the Service Life of Big Bell and Big Hopper

小料钟直径大小对大料钟、大料斗寿命影响分析

DISCUSSION ON FACTORS AFFECTING LADLE LIFE OF SMELTINGEXTRA-LOW FERROCHROMIUM WITH PERRIN PROCESS

热兑法生产微碳铬铁反应包寿命影响因素探讨

Research on Fretting Fatigue Damage and Its Fatigue Life Influence Factors of 45 Steel;

45钢微动疲劳损伤及其寿命影响因素研究

Research on Influential Factors of Longevity of Cr20Ni80 Electric-resistance Alloy;

影响电热合金Cr20Ni80使用寿命因素的初探

The influence of inflation on economical life-span of steel fishing vessels in China;

通货膨胀对钢质渔船经济寿命的影响

Environmental Impact Assessment in Life Cycle of Construction Products;

建筑产品的全寿命周期环境影响评价

Factors influencing Chinese canoeists sporting life;

我国赛艇运动员运动寿命的影响因素

Effect of Carbide on Lifespan of Spin Wheel Made of CrWMn Steel;

碳化物对CrWMn钢旋压轮使用寿命的影响

A Research into the Effect of the Red Ginseng(Panax ginseng C.A. Meyer) on the Lifespan of Drosophila Melanogasterand;

红参提取物影响果蝇寿命的实验研究

Study on luminous decay of φ5 white light emitting diode

封装对φ5白光LED寿命的影响研究

Effect of Different Distribution Condition of Fatigue Loads on Fatigue Life

疲劳载荷分布形式对构件寿命的影响

Analysis of factors influenced on life time of synthesis catalyst for methanol

影响合成甲醇的催化剂寿命因素分析

Effects of two kinds of pigment on reproductive ability and life-span of Drosophila melanogaster

两种色素对果蝇生育力和寿命的影响

Discussion of the Influence of the Die Oearance on the Lamination Quality and Die Life

浅谈冲模间隙对冲片质量及模具寿命的影响

The fatigue life of vacuum degased ball bearing steel and its influence factors

真空脱气轴承钢的疲劳寿命及影响因素

Stress Concentration Effects on Life of Riveted Railway Bridges

铆钉孔应力集中对“老年”铆接钢桥寿命的影响