economizer tube
短語詞組
- economizer breakup tube 省煤器爆管
- economizer tube cleaner 省煤器清管器
- economizer rectangular fin tube 省煤器鰭片管
- economizer fin -tube 節(jié)熱器凸片管
- economizer ' s tube 省煤器管
- economizer tube repture 省煤器爆管
- coal economizer tube 省煤器管
- tube economizer 管式省煤器;省煤器
- straight tube economizer 直管式經(jīng)濟器 返回 economizer tube