During this month, I learned lathe work, miller operating, benchwork, digital control processing, sand mold casting, heat treatment, and welding.
在一个月中，我们学习了车工，铣工，钳工，数控加工，沙型铸造、热处理、焊接等等。
Metal welding and metal processing technology advances, the old metal casting industry in the attacks.
金属焊接和金属加工工艺的进步，对旧的金属铸造业产生了冲击。
Its mostly content includes the mechanical engineering material and heat treatment, casting, plasticity shaping and welding. Dealing with engineering materials and its processing technical.
主要内容包括：机械工程材料与热处理、铸造、塑性成型和焊接四大部分的基础知识，涉及工程材料及其材料加工工艺的各个方面。
Its mostly content includes the mechanical engineering material and heat treatment, casting, plasticity shaping and welding. Dealing with engineering materials and its processing technical.
主要内容包括：机械工程材料与热处理、铸造、塑性成型和焊接四大部分的基础知识，涉及工程材料及其材料加工工艺的各个方面。
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