Warning: Invalid argument supplied for foreach() in /data/shubang/dict/word.php on line 74 metallic O ring的中文解释_metallic O ring的读音_metallic O ring的双语例句 - 英语词典
Experimental leakage simulation of the 2-level large-scale hollow metallic ring seal and 3-level rubber O ring seal was performed with several high precision leak detectors, based on helium mass spectroscopy, to verify leakage theory of multi-level series seal. 为进一步验证多级串联密封系统的泄漏理论和规律，分别进行了双道大型空心金属圈模拟试验和三道橡胶圈泄漏模拟实验，试验中综合采用了灵敏度很高的各种氮质谱检漏方法。
美 [məˈtælɪk oʊ rɪŋ]