选择空运，显然产品能以更快的速度到达用户手中，但它的成本比照船运和铁路运输而言偏高。
Using air transport obviously gets the product out quickly and to the customer expediently. but the costs are high as opposed to shipping by boat or rail.
他们需要铁路运输的产品从东部工厂以及进口当地市场。
They need railroads to transport the produce from the east factories as well as the import to the local market.
为能源行业、铁路运输业及发电业创制性能优异的产品并将产品价值销售给我们的客户。
The creation of differentiated consumable products for the resources, freight rail and power generation industry and sale of their value to our customers.
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