The cart can automatic retracting, releasing and laying cables.本收放车具有自动收线、放线 、 排线功能.I mean, is the art of retracting just too much for you?我是说, 这个缩进技术对于你太难了 吗 ?Arc ignition : retracting and scraping.引弧可采用“回抽”、“刮擦”起弧方式....
Porcupines use their spines to protect themselves.豪猪用身上的刺毛来自卫。The cactus has spines.仙人掌有刺.Spines - this expression has been used by various writers with considerable latitude.刺,许多作者把这个词用在相当广泛的含义上....