字典網>> 英漢字典>> U開頭詞條>>useful/useless production的意思 漢英字典useful/useless production中文翻譯：【計】 有效/無效產生式英文字典 相關詞條：us us consumer price index us department of commerce us dollar crisis us government agency obligation us government agency securities us government securities us house panel us securities and exchange commission US standard screw thread