China 's urbanization has already benefited companies such as excavators makers caterpillar inc. and komatsu ltd. , and iron ore miners bhp billiton ltd. and rio tinto plc .
城镇化已经使一些公司受益,例如挖掘机制造商履带公司、小松公司,还有矿业公司必和必拓以及里奥廷托。
Its caterpillar isn 't much to look at really , is it ?
它的毛虫可真没什么可看的,不是吗?
Beautiful as this species is , the big surprise is in the caterpillar stage of its life .