常見例句雙語例句The sewage heat exchanger had serious scale buildup and corrosion.污水換熱器結(jié)垢腐蝕嚴重；Maintaining water quality is important to prevent scale buildup on heat exchange surfaces.維持水質(zhì)量是重要避免熱上的刻度組織交換表面的。It attributes the scale buildup to:①the deterioration of properties and the increase in the content of colloidal matters in coker gasoline, the feedstock oil, during storage and transportation;進一步分析了換熱器殼程結(jié)垢的原因為：①原料油焦化汽油在儲運過程中性質(zhì)變差，膠質(zhì)含量升高； 返回 scale buildup