The hot-melt glass is made by using a special hot-melt furnace to heat the glass above the softening point, and then the flat glass is molded in a special molding die, and then annealed. A: 正确 B: 错误
The hot-melt glass is made by using a special hot-melt furnace to heat the glass above the softening point, and then the flat glass is molded in a special molding die, and then annealed. A: 正确 B: 错误
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