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S 开头的英语单词(共 361,851 个)
sealed porosity
封闭气孔
sealed proposals
密封递价
sealed pump
密封泵
sealed pumped vacuum system
封离抽气系统
sealed pumpless vacuum system
封离的无泵的真空系统
sealed quench furnace
封闭式淬火炉
sealed radioactive material
密封放射性材料
sealed reactor
密封式电抗器
sealed rectifier
密封式整流阀
sealed refrigeration compressor
密封冷冻压缩机
sealed relay
密封式继电器
sealed reservoir
密封贮油层
sealed road
[网络] 柏油路
sealed roller bearing
密封式滚子轴承
sealed roller bearing bit
密封滚动轴承钻 头
sealed rotor
封闭式转头
sealed sample
密封样品
sealed silica envelope
密封石英管
sealed silo
密闭圆筒仓
sealed source
[化] 密封源
sealed sources
[网络] 密封源;密闭式
sealed spark gap
密封放电器
sealed spring loaded safety valve
封闭式弹簧安全阀
sealed standard resistor
[网络] 密封式标准电阻器
sealed steam system
[网络] 汽封蒸汽系统
sealed stirrer
封闭搅拌器
sealed strip
密封带