齿根面 meaning in Chinese

flank of tooth
root face (or shoulder)
root-face
tooth flank
tooth heel

Cylindrical gears - iso system of accuracy - part 1 : definitions and allowable values of deviations relevant to corresponding flanks of gear teeth
圆柱齿轮. iso精度体系.第1部分:齿轮啮合对应齿根面的相应偏差定义和容许值
Cylindrical gears . iso system of accuracy . part 1 : definitions and allowable values of deviations relevant to corresponding flanks of gear teeth
圆柱齿轮. iso准确度体系.第1部分:与齿轮齿对应齿根面有关的偏差的容许值和定义