采用了高质量焊接材料和适当的焊接规范参数范围，焊接工艺评定试验结果完全满足产品制造技术条件要求；
High quality welding material and suitable welding parameters were used for the welding procedure qualification test results fully meeting the requirement of the product manufacturing specification.
本文对国内外中隔圈材料研制的情况作了概述；对本文作者所研制的中隔圈材料的制造工艺、加工规范和各项性能进行了详细介绍。
In present paper, materials for spacer rings are briefly outlined, while their process technology, production system and various properties are studied in detail.
对适用于青藏线机车车辆的Q345E钢的焊接性、焊接材料和焊接工艺进行了研究，对Q345E钢及其焊接接头进行了热处理试验，为Q345E钢焊接工艺规范的制定提供了依据。
The weld ability, weld material and weld process of the Q345E steel applied to the locomotive and rolling stock for Qingzang line are studied in this paper.
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