He is cutting the steel plate that the heat treatment is crossed.
他正在切割热处理过的钢板。
The physical functions include separating heat, cutting off oxygen and decreasing burning reaction temperature.
物理作用包括隔热、隔氧、降低燃烧反应温度等。
The physical functions include separating heat, cutting off oxygen and decreasing burning reaction temperature.
物理作用包括隔热、隔氧、降低燃烧反应温度等。
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