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Girders
[gɜ:dəz]
例句:
Practically
all
railroad
rails
,
iron
girders
and
beams
for
buildings
,
nails
,
etc
.
Edward W. Byrn.
十九世纪发明进展
.
The
outer
shell
of
the
tunnel
shield
is
composed
of
two
-
or
three
-
ply
boiler
plates
,
and
the
interior
is
braced
with
a
system
of
steel
girders
.
佚名.
神奇的知识之书
.
艾维斯编辑
