I don't want to be associated with your scheme; I'm contracting out.

我不想参与你们的计划, 我要退出。

Expound magnesium metallurgy with ferrosilicon process and calcium metallurgy with aluminothermic process by contracting technological conditions.

通过工艺条件对比分析,阐明了硅热法炼镁与铝热法炼钙两者工艺过程、设备条件基本相同。