backing vacuum pump是什麼意思、英文翻譯及中文解釋
backj.com//tags-4798-0.html" target="_blank" >ing vacuum pump
詞語: backing vacuum pump
解釋: 初級真空泵
詞典: 電信專業英漢詞典
backj.com//tags-4798-0.html" target="_blank" >ing vacuum pump
詞語: backing vacuum pump
解釋: 初級真空泵
詞典: 電信專業英漢詞典