three-way hub

The general coal enterprise coal logistics network structure can be reflected by the model, which is a three stage supply chain network, including coal mine, coal hub center, coal distribution center and customer.

这个模型能反映一般煤炭企业的煤炭物流网络结构，它是一个三阶段的供应链网络，包括的节点有煤矿、煤炭转运中心、煤炭储配中心和客户。

One, traffic develops the current situation 1. Long three-cornered is important traffic hub.

交通发展现状1. 长三角的重要交通枢纽.

The third part is the core content of the research. Through the research of three types of public space about city central Business district, city public open space, city comprehensive transportation hub, this paper put forward their different three-dimensional design pattern.

第三部分是论文研究的核心内容，通过对城市商业中心区、城市公共开敞空间、城市交通枢纽三种类型的公共空间的研究，提出了各自不同的立体化设计模式。

As an important airmail hub in China, Guangzhou Airmail Processing Center is one of three major processing centers for China Postal Service International Mail Exchange Bureau.

广州航空邮件处理中心，作为中国邮政的重要航空枢纽，是中国邮政的三个主要国际邮件互换局之一的主要处理场地。

The fact that the highway from Nanning to Wuzhou runs through Guiping, and the three rivers meet together at Guiping, makes Guiping a convenient hub for land and water transportation.

南梧二级公路和黔、郁、浔三江形成水陆交通枢纽，交通十分方便。