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请输入您要查询的英文单词：
单词
key punch
释义
key punch
美
英
na.
键控穿孔器
网络
打孔机
复数：
key-punches
现在分词：
key-punching
过去分词：
key-punched
英汉
英英
网络释义
na.
1.
键控穿孔器
n.
1.
a
machine
,
operated
by
keyboard
,
that
punches
holes
in
card
or
paper
for
use
in
a
data
-
processing
system
,
now
largely
obsolete
v.
1.
to
use
a
key
-
punch
to
punch
holes
in
a
card
or
paper
tape
for
data
entry
into
a
computer
1.
打孔机
电机工程英语翻译K-2... ... 按键脉波 key-pulse
打孔机
key-punch
(电)键组 key-set ...
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更新时间：2025/2/14 1:14:07