常见例句Some problems about stored grain psocid are involved in. 摘要分析了儲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（蟲齒）目崑蟲的區系地理分佈； 返回 psocid