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灾害清除工作
environ.
disaster cleanup operation
A course or procedure of activity designed to clear the debris or remove harmful substances left by an ecological calamity, natural or human in origin, in a given area
(一套行动方案或流程,用于清除残骸,或消除由于自然或人类因素引起生态灾害所留下的有害物质。)
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