单词：helicoid
n. 螺旋体, 螺旋面
a. Shaped like a snail shell; pertaining to the Helicidae,
or Snail family.
n. A warped surface which may be generated by a straight
line moving in such a manner that every point of the line shall have a
uniform motion in the direction of another fixed straight line, and at
the same time a uniform angular motion about it.
helicoid的用法和样例：
例句
- Congenital syphilis says the embryo passes syphilis again, it is syphilis helicoid to infect fetal syphilis via placenta.先天梅毒又称胎传梅毒，乃梅毒螺旋体经胎盘传染给胎儿之梅毒。
- To the dog pathogenesis is the hemorrhagic yellow helicoid and the dog hook end helicoid two blood serums.对狗致病的是出血性黄疸螺旋体和犬钩端螺旋体两个血清型。
- The helicoid equation of contacting surface befween workpiece and die in the process of cross wedge roiling was proposed in this paper.建立了楔横轧变形工件与模具接触面的旋转螺旋面方程。
词汇搭配
- helicoid spiral蜗牛式旋壳
- skew helicoid螺旋面
- helicoid conveyer螺旋输送器,螺旋式输...
- involute helicoid渐开线螺旋面...
- helicoid screw conveyor螺旋运输器
- helicoid cell螺形细胞
- helicoid dichotomous branching(拉ramifica...
- helicoid conveyor螺旋输送机
- helicoid inflorescence螺纹花序
- helicoid dichotomy螺形二歧式
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