EC No 欧供体登记号
The ec had no objections for the two cases to be merged.
欧共体对两案合并不持异议。
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There are no all-embracing ec directives on race equality.
关于种族平等，欧盟指令也无法面面俱到。
Engineering change management. To register EC No. , track status and record the document.
负责工程变更编号的发放与管理，工程变更的状态跟踪及文件存档；
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