短語(yǔ)詞組短語(yǔ)unsound kernels 不完善粒unsound casting 有缺陷鑄件unsound d 無(wú)根據(jù)的;不結(jié)實(shí)的Economically Unsound 不合算的unsound weld 有缺陷焊縫unsound spot 有缺陷部位unsound kerneI 小麥不完善粒unsound rock 風(fēng)化巖石 返回 unsound