Open Flames and welding
英
美
- 明火和焊接
双语例句
- They say it cuts the smoke and dangerous gases by up to eighty percent compare to open fires or simple traditional stoves.
他们说相比明火和简单的传统炉灶，这种炉灶的烟尘和有害气体的排放量下降了百分之八十以上。
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