箭猪身上长满了刺.A porcupine is covered with prickles.美洲箭猪,豪猪:几种带刺动物中的一种, 如豪猪,类似刺猬.Any of several spiny animals, such as the porcupine that are similar to the hedgehog....
The reason of magnetic deflective blow when pressure vapor pipe is magnetized and welded is analyzed.分析了高压蒸汽管线带磁及焊接时产生磁偏吹的原因,介绍了简易消磁焊接新方法.Neutral gray color, people deflective apparent because the human eye for grey feel...