国美在线校园招聘:翻译一下！
来源：百度文库 编辑：查人人中国名人网 时间：2024/05/27 21:04:41
Several factors were thus considered to identify a controlling parameter for toughness that incorporates weld metal chemical composition, proportion of primary and secondary(coarse and fine ) zones, fractions of microconstituents measured in the columnar region of the last bead, and grain size.