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The Tianshan Shengli Tunnel, the world's longest expressway tunnel, completed tunneling Monday in China's Xinjiang Uygur Autonomous Region.
世界上最长的高速公路隧道--天山胜利隧道，于周一在中国新疆维吾尔自治区完成隧道掘进工程。
The 22.13-kilometer tunnel will reduce the time it takes to drive across the middle section of the Tianshan Mountains from several hours to about 20 minutes once operational.
这条全长22.13公里的隧道一经通车，将把穿越天山中段的时间从几个小时缩短到20分钟左右。
The construction of the tunnel, at an altitude of 3,200 meters in the Tianshan Mountains, faces severe climate and geological challenges.
该隧道位于海拔3200米的天山山脉，面临着严峻的气候和地质挑战。
To deal with the problems, Tianhe Mechanical Equipment Manufacturing Co., Ltd. produced two tailored tunnel boring machines named "Tianshan" and "Shengli".
针对这些问题，天和机械设备制造有限公司专门生产了“天山号”和“胜利号”两台隧道掘进机。
Each of the giant machines is 285 meters long and weighs almost 2,000 tonnes, with 58 disc cutters mounted in its cutter head.
这两台巨型机器，每台长达285米，重近2000吨，刀头上安装了58个圆盘刀片。
Highly automated, environmentally friendly and suitable for complex conditions,
这两台高度自动化、环保、适用于复杂条件的掘进设备，
the two drilling machines working at both ends of the tunnel have greatly reduced manpower and improved efficiency.
在隧道两端工作，大大减少了人力，提高了效率。
