单词	天然瓦斯--天然气
释义	天然瓦斯，天然气natural gas
随便看	universal job control language--ujcl universal job control language，ujcl universal joint universal joint knuckle universal joint pin universal joints universal joint slip joint universal joint splined shaft universal joint type output mechanism universal judgment universal key universal keyboard universal keyboard--ukb universal keyboard，ukb universal keyset universal knotter universal knowledge, universal kriging universal lamp universal language universal language definition universal language definition，uld universal language description universal language description--uld universal language description，uld