The New Yorkers who spent a bundle on an outdoor hot tub now admit they rarely use it, "because we can't afford to heat it in winter".
那些花一大笔钱买了一个户外加热浴缸的纽约人现在承认，他们很少使用它，“因为我们在冬天负担不起加热它的费用。”
Had a dying instinct told him his motherless offspring would be safe here, as he had been, with those who loved him? Hot tears spilled on baby fur as Becky gathered the trembling bundle in her arms.
是不是它临死前，本能告诉了它，它的孤儿在这儿会很安全，像它一样，和爱它的人在一起？贝基抱着那颤抖的小毛团，热泪落在婴狼的乳毛上。
The water inside a horizontal vessel is heated by fired burner through burning channel, and the natural gas or crude oil in tube bundle or high pressure coil are heated by hot water.
燃烧器燃烧后通过燃烧道加热水平容器内部的水，然后利用放置在水中的高压盘管或管束加热其中的天然气或原油。
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