力学性能测试结果表明，除在临界二相区加热外，二次热循环均使粗晶区得到初化。
The results show that toughness of the coarse grained HAZ is improved after second welding heat cycle except intercritical two-phase heating.
西安动化实业有限公司创建于1989年，在西安高新技术产业开发区和西郊绕城高速旁均拥有自有产权的厂房。
Xi 'an Donghua industry Ltd. was established in 1989. It has workshops of its own property right in Xi 'an hi-tech industry zone and beside the round-city freeway in the west suburb.
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