释义 |
non-return 英'nɒnrɪt'ɜːn美'nɒnrɪt'ɜːn COCA¹⁹⁹⁰⁵⁹BNC⁶⁵⁷⁶⁶ 基本例句 止回,不再发情 Working medium inlet and exhaust non-return valves balance hole for Stirling engine is introduced. 对热气机工质进排气单向阀平衡孔作了简介。 dictall Normally the blood flows from the testicles back to the heart via small veins that have a non-return valve to stop the blood flowing backwards to the testicles. 通常来说,血液通过一些小静脉从睾丸回流到心脏。这些小静脉有单向活动的瓣膜阻止血液回流至睾丸。 dxy This paper aims at the problem of keeping pressure expiration in hydraulic control non-return valve in engineering and introduces their operation principle in detail. 阐述了液控单向阀保压原理,对液控单向阀保压失效原因进行了分析,并提出三种可行的解决方案。 tech.zidian8.com |