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1·Mr.Klein said that this percentage has been shrinking over the years, for all varieties of nuts.

克莱因先生说，这个百分比也在逐年下降，所有的坚果都是这样。

2·Mr. Klein said that this percentage has been shrinking over the years, for all varieties of nuts.

克莱因先生说，这个百分比也在逐年下降，所有的坚果都是这样。

3·Through installing recirculation tube on the mill and shrinking the primary air pipe diameter, the percentage of cool Sir To combustor is reduced by 8. 12%.

在增加磨煤机再循环风管的同时缩小一次风管径，使进入炉膛的冷风量减少了8.12%(总风量)。