The construction of expressways has a variety of effects on ecological environment.高速公路建设对生态环境的影响是多方面的.There are many expressways and highways passing through the land.许多高速公路在萧山穿境而过.Second, improve the coordination among...
切纸机属于4等安全风险的危险机械.Paper cutting machine belongs to 4 security risk of dangerous machinery.我们主要致力于 中高档 电脑程控切纸机的 研发 、 生产.We are committed to high - end computer qzyk of r & d, production.专业维修: 各种规格 、 型号胶印机 、 晒版机 、 切纸机号码机等.P...
TAXONOMIC DISCUSSION OF MEGOPHRYS LATERALLS ( ANDERSON ) AND RELATED SPECIES ( AMPHIBIA: PELOBATIDAE )白颌大角蟾及其相关物种的分类探讨 ( 两栖纲: 锄足蟾科 )A new hynobiid species Hynobius guabangshanensis from Hunan Province , China ( Amphibia:...