“unalloyed steel for boiler and pressure vessel”的概念、定义、翻译、参考文献-科学参考

单词	unalloyed steel for boiler and pressure vessel
释义	unalloyed steel for boiler and pressure vessel Encyclopedia 工学非合金钢释 unalloyed steel for boiler and pressure vessel锅炉及压力容器用非合金钢用于锅炉构架、锅炉管件、锅炉锅筒及压力容器的高性能碳素钢。
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