The most standard practice is to require people to flat head, flatshoulder, flat Angle of the composition of milk corners, select the location of the middle of the best visual position.
现在最标准的做法是要求人们将平目、平肩、平乳的角度组成四角，选正中的位置为最佳目视部位。
2
Aligning seat washers with an aligning surface radius are also available for ease of design and mounting against a flat housing shoulder.
与调整座椅表面半径对齐洗衣机也可用于设计和易于安装单位对房屋的肩膀。
3
The flat and concave shoulder was set up to study the influence of the profile of concave shoulder on the flow of aluminum.