economizer的用法和樣例：
辭彙搭配
- external economizer 外置式省煤器...
- electrode economizer 電極節省器
- gas economizer 煤氣節省器
- economizer relay 節電繼電器
- upstream economizer 逆流式省煤器...
- economizer tube 節煤器管
- boiler economizer 鍋爐省煤器
- fuel economizer 節油器
- economizer valve 省油閥
- loop economizer 盤管省煤器
- economizer hopper 省煤器灰斗
- economizer bank 預熱管,節熱器排管...
- steaming economizer 蒸髮式經濟器...
