特种合金换热器, 防垢, 耐腐超厚.Heat exchanger made from special alloy, Scale prevention , Anti - corrosion , Ultra thickness.说明了利用声化学除垢、防垢的可行性.The result indicates that the prevention and removal of incrustation is feasible by sound ...
a lake, still and serene in the sunlight阳光下宁静安谧的湖水He has entered the serene autumn of his life.他已进入了美好的中年时期.She has a lovely serene face.她有一张可爱而安详的脸....
众所周知，雷恩的墓志铭中写道，大教堂本身就是他的纪念碑。As Wren's epitaph famously declares, the cathedral itself is his monument.他想把这些文字作为他的墓志铭.He wanted these lines as his epitaph.他的墓志铭应当是: 他为我们做了好事.His epitaph should be: He did us good....