helicoid

基本解釋

Congenital syphilis says the embryo passes syphilis again, it is syphilis helicoid to infect fetal syphilis via placenta.
先天梅毒又稱胎傳梅毒，乃梅毒螺旋體經(jīng)胎盤傳染給胎兒之梅毒。
To the dog pathogenesis is the hemorrhagic yellow helicoid and the dog hook end helicoid two blood serums.
對狗致病的是出血性黃疸螺旋體和犬鉤端螺旋體兩個血清型。
The helicoid equation of contacting surface befween workpiece and die in the process of cross wedge roiling was proposed in this paper.
建立了楔橫軋變形工件與模具接觸面的旋轉(zhuǎn)螺旋面方程。