联合环境署人道协调厅环境股的联合国办事处人道主义事务协调厅 ocha
The United Nations Office for the Coordination of Humanitarian Affairs (ocha) of the United Nations Office for the Coordination of Humanitarian Affairs, Environment Unit, United Nations Office for the Coordination of Humanitarian Affairs
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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