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
Through development and on-board test of ZA alloy bushing, its wearing performance has been further demonstrated.
通过ZA系列锌铝合金轴套的研制和装机试验，进一步证明其耐磨性能。
3
The conductive loop partial overheat fault caused by improper design and installation of the through lead wire in transformer bushing is analyzed. The preventive measures are presented.