Seawater falling film evaporation heat transfer and anti-fouling characteristics were investigated on ion-plated chromium, TiN and chemically treated aluminum tubes.
考察了淡水和海水在离子镀铬、氮化钛和化学处理水平铝管外表面的降膜传热热性。
Opposite the horizontal point, a ring of tin to which are welded tubes alternatively 16 tubes composed each composed of copper-lead and iron-lead.
相反横点，锡环哪些是焊管交替16管组成，每个组成铜，铅和铁，铅。
Opposite the horizontal point, a ring of tin to which are welded tubes alternatively 16 tubes composed each composed of copper-lead and iron-lead.
相反横点，锡环哪些是焊管交替16管组成，每个组成铜，铅和铁，铅。
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