secondary regulator的意思|示意
副调节器
secondary regulator相关短语
1、 secondary regulator cover 辅助调节器盖
2、 secondary regulator diaphragm 辅助调节器膜片
3、 Secondary Regulator Valve 调节阀
4、 secondary pressure regulator 调压器
5、 Secondary voltage regulator series 次级电压调节级数