31.將嵌體蠟(inlay wax)加熱軟化後,壓入到金屬模具中製作蠟型,之後以..-阿摩線上測驗
2F kin 高三下 (2022/05/30)
A newly made wax pattern tends to change its shape and size over time. Upon cooling it contracts and, after attaining equilibrium, reaches a state of dimensional stability. It is important that the wax pattern be retained on the die for several hours to avoid distortion and ensure that equilibrium conditions are established. |