结合地炕采暖，可燃气费用与用薪材、秸秆采暖费用相当。
If heating with the Ground Kang, gas expense was similar to that of firewood and maize stalk.
北极地带——传统生活方式和设施遭到破坏，但是采暖费用将减少，北海更容易航行。
Arctic - traditional ways of life and infrastructure will suffer, but heating costs will be reduced and northern sea routes easier to navigate.
选择正确的燃气壁挂炉非常重要，它可以在节省采暖费用的同时增加能源的使用效率。
Choosing the right boiler is very important since it can help in reducing your home heating costs and improving your home's energy efficiency.
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