English Version(英文版)
|
EBooks(电子书)
Ems
[emz]
例句:
Operated
by
a
single
person
,
the
Mergenthaler produces
and
assembles linotypes
ready
for
the
press
or
stereotyping
table
at
the
rate
of
from
3,600
to
7,000
ems
(
type
characters
)
per
hour
.
威廉·亨利·杜利特.
世纪发明
.
校对:莎娜
