But Nb adding increases the under-heating austenite stability, reduces the temperature of phase transformation point and postpones the transformation of pearlite.

而铌元素的加入增大了过冷奥氏体的稳定性，相变点温度降低，并且推迟珠光体的转变。

youdao

The pitch is 105 x 68 metres and has an automated sprinkler system and under-soil heating. The current normal capacity is 63,000.

场地长105米，宽68米，拥有自动洒水系统和地底加热系统，目前能容纳63000人。

youdao

The thermal protection mechanism of three layer for coating material under heating process was discussed, the conservation equations which reflects difference function was established.

本文讨论了涂层材料在加热过程中出现的三层结构的吸热机理，建立不同层反映不同功能的守恒方程。

youdao

Completed in 2011, the other end of the structure is a four-story, 4, 000-square-foot house with under-floor heating, solar panels, low-energy appliances and the latest in triple-glazed windows.

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There are 11 outside pitches at the centre, five of which are floodlit and have under-soil heating.

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The Grade I-listed building on Victoria Street needs the under-floor heating system replacing.

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