The Dominican Republic has banned cutting down trees for charcoal and subsidized propane as a substitute, and the contrast can be seen in satellite photographs of the border.
多米尼加共和国已经禁止砍伐森林当柴烧，通过补贴让天然气取代木炭，现在两国之间的差异能从卫星拍的国界图片上看得一清二楚。
When propane gas cutting low carbon steel plate, the cost varies with the thickness of the steel plate.
用于低碳钢板气割时，气割成本随板厚不同而变化。
Thus, the utility model has multiple functions, and the utility model can not only use oxygen and propane gas, but also use oxygen and gasoline to carry out gas cutting.
所以，功能多，既可用氧气和丙烷气，又可用氧气和汽油进行气割。
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