From these graphs, a few things are apparent. First, overall charge-off rates have decreased sharply each year, with the 2013 vintage proving to be very low risk thus far in its tenure.

图标数据表明以下几个方面问题：首先，总体贷款冲销率每年都在大幅下降，2013年结果证明贷款期限内的风险已经降至极低；

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The combination of increasing charge material temperature with overall energy saving has become an important objective, which has only in recent years begun to be achieved.

如何将提高装料温度与综合节能结合起来已成为一个重要课题，而仅在最近几年这一目标才刚刚实现。

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