spring-loaded valve造句

例句与造句

1. 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。
2. It's difficult to find spring-loaded valve in a sentence. 用spring-loaded valve造句挺难的