膜片可以是扁平的,或是波纹的.The diaphragms may be flat or corrugated.在使用表面具有波纹的钢辊作电极时,就存在压力影响问题.The pressure problem is met by using corrugated steel rolls as the electrodes.我们从古代资料了解到她的头发是浅红色的, 有波纹的.We know from ancient source that ...
最适合盛装鲜桂圆, 荔枝等产品.Longan and the most suitable costumes fresh, lychee and other products.桂圆即是龙眼,含有丰富的维他命 、 蛋白质以及钙质,却无胆固醇.Loongan has high vitamin, protein, calcium and no cholesterol.桂圆红枣茶有改善血液循环、安定精神之功效.Red dates and long...