Aiming at the total economy of the system, the economies of the engine and the gas-heating pump are analyzed respectively. And the power and economy of gas-heating pumps are coordinated.
从系统总体经济性角度出发，分析了发动机的经济性能与燃气机热泵的经济性，同时协调燃气机热泵的动力性与经济性；
We've converted from oil to gas central heating.
我们已经把中央供热系统由燃油改成了燃气。
Make sure that all gas fires and central heating boilers are serviced annually.
确保所有的煤气取暖炉和中央供暖锅炉每年都检修一次。
Siduria recently implemented a program to convert heating systems from oil to natural gas.
Siduria最近实施了一项计划：将供暖来源从石油改为天然气。
Heating this chemical compound drives off carbon dioxide gas, leaving calcium oxide.
这种化合物加热后会排出二氧化碳，产生氧化钙。
The city does plan to replace small, highly polluting plants with larger, cleaner, more regulated facilities, and toxic emissions will be cut further by shifting from coal to gas for central heating.
临汾计划用大型的更清洁更规范的工厂取代高污染的小工厂，将来如果用天然气代替煤来集中供热，毒气排放有望进一步的减少。
Meanwhile, newborn stars are emitting intense ultraviolet radiation, heating the gas and causing the nebula to glow.
同时，新恒星释放出强烈的紫外线辐射，加热了气体，从而是星云发光。
Instead, as part of his job, he visits newly decorated apartments to inspect the heating systems, gas pipes, sewage systems, window glasses and even the air quality in rooms.
工作内容主要是对房屋进行查验，包括房屋的加热系统、煤气管道、污水处理系统、窗户玻璃，甚至还包括房屋的空气质量等等。
Cooking gas and heating fuel are scarce.
厨房用气和供暖用油短缺。
Gas use is largely driven by home heating, so it is the size of your house and how well insulated it is that determines how much energy you use.
燃气主要用于家庭供暖，所以，燃气能源耗费的多少取决于住宅的大小及其隔热性能。
Typically, heating occurs over an open gas flame, releasing the potent neurotoxic element into the atmosphere.
通常是在敞开的气火焰上加热，就把对神经有强烈毒害作用的元素释放到了环境当中。
Heating the steam burns much natural gas, emitting CO2.
加热蒸汽需要燃烧大量的天然气，这个过程排放出大量的二氧化碳。
Black holes are thought to do this by heating up and blasting away the gas that fuels star formation.
据推测，黑洞应该是通过加热并炸飞点燃恒星形成所需的气体来做到这一点的。
All that gas buoys up through the sediments and into the ocean, heating up the deep waters.
所有的这些气体穿过沉淀物浮向海洋，使深海海水温度升高。
The steam, however, is made by burning other fossil fuels-normally natural gas-and because heating rock takes a lot of steam, making that steam takes a lot of money.
然而，蒸汽是需要燃烧其他燃料来产生的——一般来说是天然气——因为加热岩石需要很多的蒸气，那么制造这些蒸汽的成本就会很高。
Like many other black holes, this little monster showed itself by stealing gas from a companion star and heating it until it glowed in X-rays.
和很多其他黑洞一样，这个小怪物也是通过从伴星那窃取气体物质，加热并释放出X射线而暴露了自己的所在位置。
Why is Mr Stoltenberg so anxious to stop Norwegians using gas for heating and cooking, and yet happy for Britons to do so?
为什么斯托尔·伯格先生如此焦急地要制止挪威人使用天然气供暖与烹饪食物，而又非常高兴英国人这样做？
A new freezing spell has intensified the shortage of heating energy, including electricity and natural gas, in Hangzhou, Wuhan and Xi 'an, etc.
新一轮降温使我国杭州、武汉、西安等城市电力和天然气等供暖能源供应紧张。
In new residential areas, coal heating had been replaced by natural gas.
在新住宅区，天然气所取代燃煤供暖。
Although electricity bills would fall, the price of gas (the most popular home-heating fuel) would rise.
尽管电费会降低，天然气(最常见的家庭取暖燃料)价格将升高。
Many petrol stations are already hooked up to gas-lines for heating.
许多加油站也接通了天然气取暖设备。
We will make the prices of power, water, gas and heating basically the same for both service industries encouraged by the state and the industrial sector as quickly as possible.
尽快实现鼓励类服务业用电、用水、用气、用热与工业基本同价。
The benefits of gas heating can be combined with the billet taper Quench to provide billets with a precise temperature taper.
天然气加热的好处即结合使用柱锭梯度水冷装置可向短锭提供精确的温度梯度。
This growth lasted until the mid-1950s when low-cost natural gas became the primary fuel for heating American homes.
直到十九世纪五十年代中期，当低成本的天然气开始成为美国家庭供暖的主要燃料时，这种增长的势头才开始减退。
Fengfeng higher level of urbanization, water supply, electricity, gas, heating, communications and cable television infrastructure such as sound, the realization of a centralized supply network.
峰峰城市化水平较高，供水、供电、供气、供暖、通信及有线电视等基础设施健全，实现了网络化集中供应。
Tribology properties test could be made on this tester under different conditions, such as vacuum, filled with different gas, heating and cooling.
该机可以在真空、充不同气体、加热及冷却等多种条件下进行材料的摩擦学性能测试。
In 1963, we evaluated an infrared vacuum combustion, gas heating system.
在1963年，我们使用了内燃真空燃烧器的煤气加热系统。
In 1963, we evaluated an infrared vacuum combustion, gas heating system.
在1963年，我们使用了内燃真空燃烧器的煤气加热系统。
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