这一项目的总工程师姚志军说： ：“这是中国铁路总公司有史以来修建难度最高的隧道。”
"It has been the most difficult tunnel that China Railway ever built, " said Yao Zhijun, chief engineer of the project.
本文介绍该厂职工杜志根如何从一名普通工人成长为总工程师、全国劳模的事例。
In this article, how an ordinary worker became a chief engineer and finally was named as a state model worker were disclosed.
美国供暖、制冷与空调工程师学会志。
American Society of Heating, Refrigerating and Air-Conditioning Engineers Inc.
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