addition key加法键
additionn.增加;加法;附加物
additional reinforcement附加钢筋
additional fertilization追肥
addition and subtraction加减法
additional consideration[法] 补偿, 额外报酬
additional setting wheel附加拔针轮
additional air regulator补给空气量调节器
additional control point辅助控制点
additional building bulk容积奖励
additional layer of flet辅助油毡层
additional vulcanization后硫化