单词	vacuum take-down
释义	vacuum take-down 真空牵拉装置
随便看	Knowledge is only potential power knowledge is power Knowledge is power knowledge is priceless Knowledge is the wings to the paradise knowledge item knowledge-kased machining knowledge knowledge management program knowledge knowledge manipulation system knowledge knowledge network Knowledge knows no bounds Knowledgel knowledge labor force knowledge lack knowledge language interpreter Knowledge lattice knowledge law knowledge layer knowledge leaking-out effect knowledge learning knowledge learnt from books knowledge lecture knowledgeless knowledgelessness knowledge level