直升机飞行速度记录终被新机型打破。

A new type of helicopter breaks speed records.

youdao

提高冷却速度和降低终冷温度可以增加针状铁素体的比例。

The ratio of acicular ferrite may increase by raising cooling speed and decreasing final cooling temperature.

youdao

本文分析了轧制温度、终冷温度、冷却速度以及微合金化对钢筋组织、性能的影响。

The influence of rolling temperature, final cooling temperature, cooling speed and micro-alloying on microstructure and properties were investigated.

youdao