These can have potential hang-up areas, like a too-abrupt taper into an adapter fitting.
这些部件具有潜在的壁挂区域，如同一个过分尖锐的锥形物放进一个接头中那样。
2
The utility model discloses an upper square taper double-joint translational artificial lower limb connecting fitting that pertains to the fixed connecting fitting.