您要查找的是不是：
- hydrocarbon retention 留烃
- The retention of data in a storage device. 数据保存在存储设备中的现象。
- The retention is withheld only for bonus situation. 滞留金只是为了发奖金。
- A substance that promotes retention of moisture. 湿润剂一种用于保持湿度的物质
- The petroleum hydrocarbon is called hexane. 己烷是一种石油碳氢化合物。
- The hydrocarbon must be an alkene. 这个碳氢化合物必定是烯烃。
- Visual material aids the retention of information. 直观材料有助于加强记忆。
- He plead for the retention of the inn . 他请求保留这座小旅店。
- Configure retention policy to redundancy. 备份冗余备份保存策略。基于备份数。
- Any of various hydrocarbon pesticides, such as DDT, that contain chlorine. 有机氯一种含氯的碳氢化合物杀虫农药，如滴滴涕杀虫剂
- The default retention age is seven days. 默认的保持期为七天。
- It's based on hydrocarbon resin. 以烃类树脂为基料制成的耐热铝粉漆。
- The retention period of the publication, in hours. 发布的保持期(以小时为单位)。
- Shanghai Jinsen Hydrocarbon Resins Co., Ltd. 上海金森石油树脂有限公司。
- The swelling is due to water retention. 肿胀是由于水滞留所致。
- The hydrocarbon radical,C6H13,having valence1. 己基碳氢化合物基，C6H13，原子价为
- Did you specify a reasonable retention age? 是否指定了合理的保持期?
- The hydrocarbon radical, C6H13, having valence1. 己基碳氢化合物基，C6H13，原子价为1
- I have a retention feeling after urinating. 我有残尿感。
- A brown-to-black, soft, elastic hydrocarbon resin. 弹性沥青一种深棕色，柔软可弯曲的烃树脂
