O 开头单词

over and-under relay [交通运输工程]过和低继电器

over and under shotgun [经济学]立式猎枪

over and under design [土木建筑工程]上下型设计

over and under chain gear [能源科学技术]内外啮合链传动装置

over and under absorbed overhead [经济学]制造间接费分摊差异

over and under 叠排式；（商品损耗量的）波动量；立式双筒短枪

over and over again adv. 一再地；反复不断地

over and over 反复；再三

over and done with 完结

over and again 反复；三番五次

over and above inflation [经济学]减除通胀因素

over and above 除…之外；在…之上

over all 全面地；遍及

over aged vessel [交通运输工程]超龄船

over age 超龄的；超额；过多

over against 在…对面；正对着；与…相反；与…形成对照

over again 再一次

over abundances

over absorbed cost [经济学]成本超额

over absorbed burden [经济学]多吸收负荷