大家在查：歪风沙拉菲瓦哈比 air breezing 骡马市 SAS70 2004年3月 auditee historical play solarflares 000 every

StevenDuclos

StevenDuclos

通用电气全球研发中心首席科学家杜克洛（StevenDuclos）说：“实际上，许多产品及生产过程是在稀土原料没有供应风险的时 …

"We have been looking at this for many years , " says Steven Duclos, chief scientist and head of material sustainability at GE .