The 740, 000 square-foot (69, 000 square-metre) building has a 1, 960 foot long main assembly floor, with a railway line running through the door—handy if you are making locomotives.

这间厂房占地七万四千平方英尺（六万九千平方米），拥有一条1960英尺长的主装配道，铁路线直通工厂大门；这些条件对于生产机车来说，堪称得天独厚。

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The main purpose of the thesis is to find better modeling method and simulation mechanism of assembly line system, and how to set up simulation framework and how to realize.

本文的目的就是研究汽车混流装配线的建模方法和仿真机制，研究混流装配线系统的规划仿真框架和仿真实现。

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The National Fire Protection Agency (NFPA) Guidelines require a confirming flow test to be conducted whenever a "main line" valve such as the shutoff valves or a backflow assembly have been operated.

美国国家 防火协会（NFPA）指导原则要求对于主管 线上运行的阀门，如关闭阀或防回流阀总成，必须进行流量测试。

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The 740, 000 square-foot (69, 000 square-metre) building has a 1, 960 foot long main assembly floor, with a railway line running through the door handy if you are making locomotives.

ECONOMIST: Industrial job creation is a grind