该工艺简单可靠，用以代替传统冷硬法，具有劳动强度低，成本低等优点。
The suggested process was simple and reliable. It could be used as a substitute process for the traditional chilling process having the advantages of Labour - saving and low cost.
该工艺简单可靠，用以代替传统冷硬法，具有劳动强度低，成本低等优点。
The suggested process was simple and reliable. It could be used as a substitute process for the traditional chilling process having the advantages of Labour - saving and low cost.
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