1) two-stage pasteforming
两步温糊法
2) two steps in low temperature
低温两步法
3) two-step austempering process
两步法等温淬火
1.
Effect of two-step austempering process on micrstructure and properties of austempered ductile iron;
两步法等温淬火工艺对等温淬火球铁组织和性能的影响
4) Two step method of high pressure and temperature extraction
两步高温高压法
5) tow-step raising temperature
两步升温
6) two step cryopreservation method
两步低温保存方法
补充资料：三步两脚
1.快速行走貌。
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参考词条