建筑业是我国国民经济的五大支柱产业之一。
The construction industry is one of the five pillar industries of Chinas national economy.
中山市当前主要有五大支柱产业：纺织服装、机械电气、电子通讯、金属制品、化学制造。
Now the city has five backbone industries: spin costume, engine electric, electrommunication, metal goods, chemistry goods.
需要强调指出的是，由于五大支柱内容相互联系，因此其中一项内容的变化将会影响其他内容。
It should be noted that since all five pillars are interrelated, developments in one will influence developments in others.
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