青云英语翻译
翻译结果1翻译结果2翻译结果3翻译结果4翻译结果5
[translate] Grasp the concept of sheet metal stamping, stamping the basic processes
Master the basic concepts, stamping of sheet metal stamping process
Grasping sheet ramming concept, ramming essential working procedure
Concept of mastery, punching basic processes
Master the basic concepts, stamping of sheet metal stamping process
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