Reliability- The process fluid flows through the trim, flushing away solid deposits above and below the guide bushing , thus reducing the possibility of a sticking valve plug.
可靠性过程流体流动，通过修剪，冲掉上述固体存款和指导下套管，从而减少了一贴阀芯的可能性。
2
The erosive property and principle of copper-infiltrated graphite as solid rocket motor(SRM) throat insert and tailpipe nozzle bushing are presented.