The freight railroads have learned to live with the limited Amtrak passenger services on their tracks.
铁路货运公司必须学会与有限的美铁旅客列车共存。
However, due to the increase in freight rate and the downstream demand less than expected, the overall improvement in market transactions is limited.
不过，运价的上调以及下游需求不及预期，市场成交整体而言改善有限。
The limited height of the loaded railway freight cars' gravity center is an important standard in the loading and fastening rules of railway freight.
重车重心限制高度是铁路货运装载加固规则中的一项重要标准。
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