杂谈托链轮、支重轮、驱动轮及轨链节等，在长时间的运转过程中，会出现一定程度的磨损。
Entrusted sprocket, supporting wheels, wheel and rail links and so on, in the long running process, there will be a certain degree of wear and tear.
方法：视头颅为一整体，根据镜像对称性原理，制成由面弓、滑动定位尺、轨限、耳杆和额托等附件构成的颧骨复合体骨折定量复位校正仪。
Methods: According to the mirror imaging symmetry principle, we assumed the skull as an entirety and design the localizer to measure the projections of zygoma and zygomatic arch.
若在部分托链轮和支重轮无法运转的状态下继续使用，则可能导致滚轮磨偏，同时还可能造成轨链节的磨损。
If some care and support sprocket wheels running status can not continue to use, it may cause partial grinding wheel, but also probably caused by the wear track chain.
应用推荐