常見例句Some problems about stored grain psocid are involved in. 摘要分析了儲(chǔ)糧書虱防治中存在的問題。The species number of known psocids in China covers 29.2% of world known psocid fauna at present. 全麪分析了中國(guó)(蟲齒)目崑蟲的區(qū)系地理分佈; 返回 psocid