The steel industry has changed radically over the last two decades, as large, integrated companies such as Bethlehem Steel once conducted operations from mining at one end of the process to shipping at the other have greatly downsized, or in some cases shut down altogether.
The steel industry has changed radically over the last two decades, as large, integrated companies such as Bethlehem Steel once conducted operations from mining at one end of the process to shipping at the other have greatly downsized, or in some cases shut down altogether.
as large, integrated companies such as Bethlehem Steel
as large, integrated companies, such as Bethlehem Steel, that
with large, integrated companies, such as Bethlehem Steel, that
while large, integrated companies, such as Bethlehem Steel, that
and large, integrated companies such as Bethlehem Steel
句子主干的意思是：整个钢铁行业在过去二十年发生了巨大的变化，当大的钢铁公司缩水或者倒闭的时候。 后半句的句子结构如下： as large, integrated companies，（ such as Bethlehem Steel once conducted，）（that operations from mining at one end of the process to shipping at the other） have greatly downsized, or（ in some cases） shut down altogether.
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发表于 2011-2-4 11:25:27
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发表于 2011-2-5 17:13:59
