·2,447,543篇论文数据，部分数据来源于NoteExpress
Because the hardness of substrate was low after vacuum melting, the hardness of substrate was increased by hardening and tempering methods.
由于真空烧结涂层基体的硬度较低，采用对基体调质处理的方法来提高涂层基体的硬度。
youdao
应用推荐
模块上移
模块下移
不移动