expendable pattern material的意思|示意

可熔化模型材料 ... 塑造它们的模型已毁。The mould in which they were made is broken. 可熔化模型材料expendable pattern material 预制模型to preform a mould ...

熔模材料 ... expendable pattern casting || 一次模铸造 expendable pattern material || 熔模材料，燃模材料 expendable zinc core || 可熔锌心 ...