"Imagine carrying a roll of flexible product on the roof and unrolling it," he says. "Workers are already used to unrolling roofing material."
想象一下，带着一卷可卷曲的产品上屋顶，然后把它展开——工人们已经习惯了展开屋顶的材料了。
2
Let it roll peacefully on, carrying a two-way flow of people and ideas that can break down barriers of suspicion and mistrust, and build up bonds of cooperation and Shared optimism.
The scheme of Roll-forging system, elevating conveyor system and vibrating conveyor system have been established, the carrying capacity of Rolls is calculated and revised.