One of the features of the post-crisis world is that the "surplus countries" - those who export more to other nations than they import - call the shots.
后危机时代的世界的一个特征是那些出口超出进口的“顺差国家”发号施令。
The reasons that6063aluminium alloy profiles are corroded by surplus silicon is analyzed. The corrosion features are indicated. The control methods are presented.
分析了游离硅引起6063 铝合金型材腐蚀的原因及由此带来的特征现象,提出了预防措施。
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