Pipe ThreadSpecification itself with old English system has unreasonable factors.
旧英制管螺纹标准本身存在不合理因素。
2
The net effect is that P2 priority threads run in preference to the P1 thread which is not what the specification requires.
实际看到的效果是P2优先级的线程要优先于P 1线程，而这并不是规范里要求的。
3
A low priority thread (at priority P3) acquires the lock on an object and is pre-empted by a higher priority thread (at priority P1), as the specification mandates.