town-gas market燃气市场
town natural gas城市天然气
town fuel gas pipeline network城市燃气管网
Classification of Town Fuel Gas城市燃气的分类
Town gas pressure regulators城镇燃气调压器
Classification of town gas城市燃气分类
town gas pipe城市煤气管道
Hong Kong Town Gas香港城市煤气
town gas China港华燃气
At last, it presents the suggested policy and proposal for the planning and development to promote the present town gas supplying.
在深入市场调查的基础上，结合实际工作中的问题，提出改善目前城市燃气供应规划和发展的政策建议。
参考来源 - 张家口市燃气市场分析与规划研究With the wide use and development of the town gas, the fire and explosion accidents of town gas have increased a lot correspondingly.
随着城镇燃气应用的日益广泛和发展，由此引发的火灾、爆炸事故越来越多。
参考来源 - 城镇燃气事故风险评价研究However, the safety problem of town gas pipe network shouldn't be neglected. For its leak or burst always brings huge damage to the town residents' lives and properties.
但是城镇燃气管网的安全问题却不容忽视,因为燃气管网泄漏或爆裂事故往往会给城镇居民的生命和财产带来巨大的损失。
参考来源 - GIS环境下天然气管网故障诊断系统研究N（名词） coal gas manufactured for domestic and industrial use 民用及工业用燃气