It consisted of a granite trough, with a roller, normally constructed of the same material, which pushed the warm liquid chocolate backwards and forwards for several days.
它由一个花岗岩槽和一个通常是相同材料的滚筒组成，后者将暖乎乎的巧克力流体来回辗压数天时间。
Depressed trough, manhole edges and other places where the roller can not reach shall be compacted with frog rammer.
在压路机不能达到的路槽和检查井边缘，采用蛙式打夯机夯实。
Take the initiative to roll from the machine, Cong moving roller, trough, rack, electrical components.
本机由主动辊、丛动辊、料槽、机架、电机组成。
It points out that the position of the maximum strain, stress and tension is at first group trough type roller, not at passing poion of pulley if the head drum works as pulley.
指出在头部滚筒作为驱动滚筒的布置系统中，胶带最大应变、力及张力位置不在驱动滚筒相遇点，而在过渡段第一组槽形托辊处。
Although the growth of an economy is linear but it is noticed that the economy trend is like a roller-coaster, reaching a pinnacle and dipping down to the trough.
尽管经济的增长是线性的但是我们可以观察到，经济趋势就像过山车，到达顶峰后，突然降到谷底。
Although the growth of an economy is linear but it is noticed that the economy trend is like a roller-coaster, reaching a pinnacle and dipping down to the trough.
尽管经济的增长是线性的但是我们可以观察到，经济趋势就像过山车，到达顶峰后，突然降到谷底。
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