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◎基础训练 1 36 8摄氏度 2 稳定 3 32◎提高训练 1 不能 仍能 做得非常细的缩口 2 高于 低于 - 50℃ 3 8 2℃◎基础训练 1 升华 2 加快 吸收 3 (Ｃ) 4 (Ｄ) 5 (Ａ)◎提高训练 1 水面气压减小 ,水的沸点降低 2 液化过程要放热 3 8
◎Basic training 1 36 8 degrees Celsius 2 Stable 3 32 ◎Improved training 1 Can’t still be able to do very fine necking 2 Above and below -50°C 3 8 2°C ◎Basic training 1 Sublimation 2 Accelerate absorption 3 (C) 4 (D) 5 (A) ◎ Improving training 1 The surface air pressure is reduced, the water boiling point is lowered 2 The liquefaction process is to release heat 3 8