Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/6c5464a02830a4a944cb48d45c100130.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 welded metal-bellows mechanical seal例句_welded metal-bellows mechanical seal英汉例句_welded metal-bellows mechanical seal双解例句_果味酸柯林斯词典
The article discusses the calculation of mechanical properties of welded metal-bellows applied in mechanical seal devices. 本文主要讨论应用于 机械密封 装置中的焊接金属波纹管力学性能的 计算。