"曾先后有印度、越南、委内瑞拉等国家的大型输变电施工企业来函询价并到我公司参观考察。" 怎么翻译

"Once successively had national the and so on India's, Vietnam, Venezuela large-scale power transformer construction enterprise incoming letter inquiry and visits to the our company inspects."

Visited India, Vietnam, Venezuela and other countries of the construction of large power transmission and telephone communications to enterprise companies I study tours.