词汇	n-ary operation
释义	n-ary operation n元运算
随便看	effluent discharge effluent discharge pipe effluent disposal effluent draining continually effluent draining periodically effluent emission effluent farm effluent fee effluent fees effluent filter effluent fluid effluent flume effluent fraction effluent fractionating effluent fractioning effluent from heavy oil recovery effluent from oilfield effluent from papermaking effluent from secondary treatment effluent from sewage treatment plant effluent from washing/bleaching effluent from waste paper pulping effluent specification effluent splitter effluent gas