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单词
security clearance
释义
security clearance
[siˈkjuəriti ˈkliərəns]
freq.
92
dict.
8
cmpt.
3
spoken
73
na.
(对参加机密工作的人进行的)安全调查
[网络]
安全检查;安全许可;安全通关证
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case hardened casting
case-hardened gear
case hardened glass
case-hardened glass
case hardened lens
case-hardened lens
case hardened lenses
case-hardened lenses
case hardened mild steel
casehardened mild steel
case hardened steel
casehardened steel
case-hardened steel
case hardened steel bearing
case-hardened steels
Case-hardener
case hardening
case-hardening
casehardening
case hardening box
case hardening carbon black
case hardening carburizer
case-hardening carburizer
case hardening,casehardening
case-hardening drying
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更新时间:2026/2/10 17:16:04