life-span的例句大全

In order to provide a basis for the damper's life-span, material and seal design, and provide inspecting standards for damper maintenance, the wear allowance of an adjustable linear oil damper is studied in this paper.

为减振器的寿命、材料、密封设计以及维修工作提供依据和检测标准，以可调式线性油压减振器为研究对象，对其许用磨损量进行了研究。

The fatigue life-spans of specimens after dehydrogenization heat treatment and crystallization heat treatment are all decreased observably, which is caused by the tension internal stress.

经过除氢热处理和晶化热处理的试样的疲劳寿命，与基底试样和镀态试样相比都显著降低，而热处理后试样疲劳强度的降低是由于镀层的内应力引起的。

The study of developing life-span of nip transportation chain

夹持输送链条使用寿命的试验研究

Adopt and aggravate guides integrally, guarantee the skip sport orbit is clear, improve the dependability and life-span.

采用整体式加重导轨,保证料车运动轨迹清晰, 提高可靠性和寿命.

Expatiated on the application theory of basic orbit, including subastral point calculation, visibility analysis, coverage evaluating and spacecraft life-span estimate.

阐述了基本轨道应用分析理论，包括星下点轨迹计算、可见性分析、覆盖评估和轨道寿命估算。

Adult stage: the life-span of male moths averages 7.96±0.66 days, and 9.17±0.73 days for female.

成虫期: 雌9.17±0.73天, 雄7.96±0.66天.