In the early 1970s, for reasons that are still ill-understood, productivity growth slowed sharply, pulling down the trend rate of growth.
在70年代早期，因为一些至今仍无法明确的原因，生产率增长大幅下降，使得趋势增长率也随之下降。
So if increasing stroke rate isn't the answer, what about pulling harder and bulldozing through the water?
因此如果增加，敲打率不是答案，怎么样更努力拉并且通过水推平吗？
Not only is the feed rate established in the feed throat, but over-cooling the feed throat can extract as much as 20% of the total drive power by pulling heat constantly from zone 1.
不仅是在喂料口建立了喂料速率，使喂料口处于过冷状态还多消耗了总驱动能耗的20%，这是通过在一区恒定吸热实现的。
For the last question, rate the consequences of your hair pulling.
最后的问题，在您毛发拉扯后所产生的后果。
The rotary cutting and synchronous rolling can reduce overlapping of plate material and pulling-break and improve the using rate of plate material.
旋切与收卷同步可减少板材重叠、扯断，提高板材的使用率。
Actions of bottle pulling and bottle incoming are separated. Through the simplest structure, the impulse force is reduced, the breakage rate of the bottles is reduced, and the noise is reduced.
以最简单的结构，减少冲击力，使瓶子破损率大大降低，并减少噪音，制造方便，价格低廉。
Actions of bottle pulling and bottle incoming are separated. Through the simplest structure, the impulse force is reduced, the breakage rate of the bottles is reduced, and the noise is reduced.
以最简单的结构，减少冲击力，使瓶子破损率大大降低，并减少噪音，制造方便，价格低廉。
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