关于impracticability的百科

• impracticability造句怎么写

• TheweaknessofChinesecurrentresearchsituationisshownonitsimpracticabilityinexecution,andseriousproblemsinthetheorysystemitself.Therewouldbeagreatwasteoftimeandtrouble,andaninconvenienceoftenamountingtoimpracticability,ifconsumerscouldonlyobtainthearti...
• 2017-07-1528543