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Sloan
[sləun]
例句:
Sloan
,
in
1851,
and
Harvey
,
in
1864,
made
many
improvements
in
machines
,
operating
upon
screw
blanks.
Edward W. Byrn.
十九世纪发明进展
.
Sloan
,
patented
August
20, 1846,
No
. 4,704,
and
was
twice
re
-
issued
and
extended
.
Edward W. Byrn.
十九世纪发明进展
.
黛朵录入
