亚共晶白口铸铁1000℃时,组织中由哪些相组成()。
A. Fe3C+A+Ld
B. Fe3C+A
C. Ld+A
D. Fe3C+F
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在战后国际关系中发展问题也被称为() 。
A. 东西问题
B. 南南问题
C. 南北问题
D. 西南问题
Since the competition of textiles is very keen in our market, it is necessary that you quote us rock-bottom prices.(英译中)
The evidence you have provided is inadequate, therefore, we cannot consider your claim as requested.(英译中)