PE Material Engineer 材料工艺工程师
Piping Material Engineer 管道材料工程师 ; 管道物料工 ; 管材工程师
Supplementary Material Engineer 辅料工程师
Polymer Material Engineer 聚合物材料工程师
Material Engineer Assistant 材料工程师助理
paint material engineer 涂装材料工程师
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Non-metal material engineer 非金属材料工程师
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