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major diameter
释义
major diameter
major diameter
[
′mā·jər dī′am·əd·ər
]
(design engineering)
The largest diameter of a screw thread, measured at the crest for an external (male) thread and at the root for an internal (female) thread.
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nspbl
nspbu
nspc
nspc1
nspca
nspcb
nspcc
nspcd
nspcg
nspcs
nspct
nspd
nspdipp
nspdp
nspe
nspebsqsa
n-spect
nspe-pac
nspeps
nspf
nspfs
nspg
nspgo
nsph
n-sphere
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更新时间:2026/8/18 2:29:33