人字齿 meaning in Chinese

double helical gear teeth
double helical teeth
double helical tooth
herringbone tooth

Gs series high speed involute cylindrical gear box is hard gear side box which is according to national criteria to design and manufacture . its structure form is outside engaged straight fear , oblique tooth gear or herringbone gear of single , closed and parallel axis
Gs系列高速渐开线圆柱齿轮箱是按照国际标准设计、生产的硬齿面齿轮箱，其结构形式为外啮合的直齿、斜齿或人字齿结构，单级、闭式、平行轴传动。