“冶金”造句

他由学物理改为学冶金是正确的 吗 ?
Was he right to change from Physics to Metallurgy?

冶金工业也有同样的趋向.
The same trend has taken place in the smelter field.

他们指出了把冶金工业采用的断裂标准应用于增强塑料的不适合性.
They point out inadequacies in applying criteria developed from metallurgical practice to reinforced plastics.

• #冶金