This has been only one cause of prickly relations between the "stans", which are linked by Soviet-era roads, gas pipelines, electricity grids and other infrastructure.

前苏联时代的道路、天然气管道、电网及其他基础设施连接还联系着“斯坦”们，边境线问题仅仅是他们之间棘手关系的一个原因。

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In addition, we will promote development of large coalmining bases and carry out projects to send electricity and gas from the west to the east, and upgrade urban power grids.

推进大型煤炭基地、西气东输、西电东送和城市电网改造工程建设。

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It can also be used directly as a fuel to generate heat, steam and electricity in power plants and be supplied to town gas grids.

它还可以直接用作燃料来生产热量、蒸汽和发电，以及供应燃气管网。

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Converteam is competing in the manufacture of products for use in gas pipelines and electricity grids with large-cap companies in Europe like Siemens AG and ABB Ltd.

FORBES: GE Moves To Bag Converteam For Growth In Renewables

National Grid operates the UK's national electricity and gas grids, as well as four of the country's eight regional gas distribution networks.

BBC: Ofgem permits ?12 energy bills rise for grid upgrade