以下为句子列表：
英文: 2 gantry cranes of lifting weight 20 tons.
中文: 起重量20吨的大型龙门吊2台。
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英文: A brief description of the operation of overhead traveling cranes for water power station and development of crane electric control technologies is given, and two practical combination operation systems of two overhead traveling cranes for water power sta
中文: 摘要根据国内水电站机房用桥式起重机的工作特点，结合起重机电控技术的发展，介绍了2种切实可行的起重机并车作业电气控制系统，即转换开关并车系统和可编程序控制器(PLC)通讯并车系统。
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英文: A giant billboard of a bull is silhouetted near construction cranes outside Madrid.
中文: 西班牙马德里,一副公牛塑像和许多吊车映衬在夕阳中.
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英文: All of cranes are used in heavy duty service with double brakes to ensure safe operation.
中文: 本起重机均为重级工作制度，为确保起吊安全，起升机构备有双制动器。
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英文: “[The latter] will allow staff to work under cover, uninterrupted by the weather, and will also accommodate additional cranes to build pre-outfitting units to a higher degree of completion than all previous carriers,” says Shawcross.
中文: “[稍后]工作人员将在屋顶下工作，不会受天气影响，我们还要提供更多的起重机来制造与所有以前的航母相比完成度更高的预装配部件，”肖克罗斯说。
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