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S 开头的英语单词（共 361,851 个）
secondary refraction
二次折射
secondary refrigerant
冷剂，冷媒
secondary register set
辅助寄存器组;次级寄存器组
secondary regulation
二次调节
secondary regulator
副调节器;副调整器
secondary reinforcer
= conditioned reinforcer
secondary relaxation
[化] 次级松弛
secondary relaxation temperature
[化] 次级松弛温度
secondary relay
二次继电器
secondary relief
(刀具)副后(隙)面.副后角
secondary remelting
[化] 二次重熔
secondary rental
次生租金
secondary repair
二期修补术
secondary request
辅助请求;次级请求
secondary request to send
次要请求发送
secondary rescue facilities
辅助营救设备
secondary research
[网络] 第二手资讯研究；次级资料研究法；次级研究
secondary reserve
第二准备金，二级储备
secondary reserves
[经] 二级储备
secondary resistance
二次侧电阻,次级线圈电阻
secondary resistance starter
二次电阻起动器
secondary resonance
次级线圈谐振
secondary resource
[网络] 二次资源；再生资源