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词汇
DDN
释义
DDN
DDN
abbr.
1.
■
Defense Data Service 数字数据服务
2.
■
防卫数据网
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back centre
back charges
backchat
back-check
back check
back chipping
back clamping
back clearance
back clevice
back cloth
backcloth
back coat
back-coated mirror
back coating
back cock
back coil
backcomb
back conductance
back conductance ratio
back cone
back cone angle
back cone distance
back cone tooth profile
back-connected fuse
back connecting rod
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更新时间:2026/3/10 22:42:32