希望寿命 meaning in Chinese
expectation of life at birth
Examples
- Life is the main factor restricting air valve and spring - loaded valves quality , the general long - term continuous operation of the compressors to life 80 hours ; for mobile , short - term or intermittent operation of compressors , may require slightly more
限制气阀寿命的主要因素是阀片及弹簧质量,一般对长期连续运转的压缩机,希望寿命达8000小时以上;对移动式、短期或间歇运转的压缩机,要求可稍低些。