An extraordinary effort , but this is no ordinary cetacean.这项工作异常艰巨, 因为这是一头非同寻常的鲸鱼.The sperm whale is believe to dive deeper than any other cetacean.人们相信,抹香鲸比其他鲸类动物潜得更深.Impossible, cetacean and larynx is very narrow.不可能,...
任何时候配电盘都应有专人操纵.Whenever the distributor all should have appointed man to operate.用途: 一般机械控制箱 、 配电盘 、 机器、电器等电缆固定用.Application: used for machinery control box, distribution plate , machine and electrical, etc.通用电气公司是主要的工业配...