On average, GDP per person falls by more than 9% from its peak and takes almost two years to reach bottom.
平均人均GDP从峰值下降会超过9%,而且需要花两年时间才能触底。
In recent years, there are some drawbacks with the traditional filling material in sloping bottom of FRP food tank. Neither its compressive strength nor weight can reach the standard requirements.
近年来,玻璃钢食品罐的内斜底填充物存在着一定弊端,或者压缩强度不够,或者重量过高。
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