spiral sheath
英 [ˈspaɪrəl ʃiːθ]
美 [ˈspaɪrəl ʃiːθ]
螺旋鞘
双语例句
- A spiral deformation occured in the lower part of the young leaf enclosed in the sheath.
在叶鞘裹住的幼叶下部呈现螺旋状。 - The spiral protective sheath for the rubber tube with good elasticity is more in favor of being installed outside an oil pipe, and has longer service life.
月牙结构，相对传统的特别加厚和直板技术，也更加富有弹性。弹性好的胶管螺旋保护套更有利于安装在油管外面，且寿命更长。