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- This paper analyses and compares their opportunity co sts of the various sources of city gas in recent civil circumstance, and consul ts the inevitable trend of improving the quality of the source. 分析、比较了城市煤气不同气源之间的机会成本,提出资源优质化是行业发展的必然趋势。
- source of city gas 城市燃气气源
- The central core problem of city gas odorization technique is to guarantee safety of the gas users. 城镇燃气加臭的核心问题是保证居民使用燃气的安全。
- Abstract: In the treatise, we analyse influencing degree to cost of which water gas mixed LPG is way of city gas when prices of coke and LPG fluctuate. 文摘:分析了水煤气掺混液化石油气作为城市煤气，其原材料焦炭、液化石油气的价格波动对成本的影响。
- In the treatise, we analyse influencing degree to cost of which water gas mixed LPG is way of city gas when prices of coke and LPG fluctuate. 分析了水煤气掺混液化石油气作为城市煤气，其原材料焦炭、液化石油气的价格波动对成本的影响。
- Creating the beautiful city is a target of the townscape design, and the historical and regional culture is the source of city’s beauty. 创造美的城市是景观设计的目标，而历史地域文化则是城市美的源泉。
- Some of the stations are in remote areas or islands with no supply of city power and have hitherto been relying on solar power as the single source of energy. 由于部分自动气象站位于偏远地区或离岛,并无电力供应,因此一直以来都是依靠太阳能作为唯一的能源。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- The fundamental theory for dynamic simulative calculation of city gas pipeline storage capacity,including mathematic model,numerical calculation method and calculation of gas storage is described. 论述了城镇燃气管道储气能力动态模拟计算的基本理论,包括数学模型、数值计算方法及储气量的计算。
- The sun is the ultimate source of energy. 太阳是能量的最基本来源。
- A source of irritation or annoyance. 令人生气的事或者引起烦恼之事
- The groundwork or source of something. 基础，根源某事物的基础工作或根源
- Where is the source of the Rhine? 莱茵河发源于何处？
- The GM Model in Load of City Gas 基于灰色理论的城市燃气负荷
- He's been a source of discord and worry. 他成为不和和烦恼的根源。
- A source of harassment, annoyance, or pain. 使人痛苦的东西骚扰，烦恼或痛苦的来源
- The pressures of city life forced him to move to the country. 都市生活的艰难迫使他迁往乡村。
- Hard work is the ultimate source of success. 努力工作是成功之本。
- Do you know the source of Amazon River? 你知道亚马逊河的源头吗?
