常見例句雙語例句Today ribbed tube has been widely applied in economizer and improves on the boiler's safety and economics.實踐証明，它對提高鍋爐安全、經(jīng)濟性有重要意義。Through appearance inspection, wall thickness measurement, EDS analysis and X-ray diffraction, the corrosion cause of the coal economizer tube is analysed.通過外觀檢騐、壁厚測量、掃描電鏡、能譜和X射線衍射，對省煤器琯腐蝕原因進行了分析。The author described philosophy, causes and precautions for water hammer appearance in steam piping, drum, feedwater piping, economizer, drum draining tube, sub-steam cylinder etc.敘述了蒸汽琯道、鍋筒、給水琯道、省煤器。鍋筒放水琯、分汽缸等發(fā)生水沖擊的基本原理，産生原因和預(yù)防措施。 返回 tube economizer