英语词汇“double ring valve”的翻译、意思、用法、释义-英汉汉英词典

单词	double ring valve
释义	double ring valve双座阀double ring valve雙座閥機械工程
随便看	difficult respiration difficults difficult temperament difficult temperament of infants difficult to difficult to advance difficult to avoid difficult to avoid a feeling of attachment difficult to avoid the feeling of attachment difficult to bear difficult to be lenient difficult to believe difficult to comprehend difficult to comprehend, difficult to distinguish difficult to effect difficult to enter difficult to enumerate difficult to fulfill the duties of a responsible office difficult to handle difficult to learn difficult to manage difficult to obtain difficult to obtain, difficult to particularize