常見(jiàn)例句EXPERIMENTAL OBSERVATION ON EFFICACY OF ULTRAVIOLET RAYS AND HEAT IN INACTIV ATING POLIOMYELITIS VIRUS 紫外線(xiàn)和熱力滅活脊髓灰質(zhì)炎病毒效果的試驗(yàn)觀(guān)察 返回 inactivism