n.減輕者

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Reasons of water being in great demand and its alleviator way in Dongfengqu irrigated area 東風(fēng)渠灌區(qū)用水緊張的原因及其緩解辦法

gust alleviator 陣風(fēng)影響衰減器

air-refueling shock alleviator 空中加油(裝置)油液沖擊阻尼器

adj.減輕痛苦的(起緩和作用的)