Refreshment and light lunch will be served. This workshop is free of charge.
本工作坊备有茶点及轻便午膳招待，费用全免。
It provides reference for process design of heavy free forging workshop.
对大型自由锻造液压机车间的工艺设计具有较高的参考价值。
You can audit the workshop twice for free.
你可以免费参加两次。
You can audit the workshop twice for free.
你可以免费参加两次。
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