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protractors
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常用释义
词性释义
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例句
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I
took
a
clear
plastic
tube
and
attached
two
circle
protractors
that
could
be
rotated
up
and
down
the
tube
.
我找来一只透明的塑料试管，然后将两支可以旋转并上下移动的量角器接到试管上。
Draughting
instruments
with
or without
graduation
.
Part
2 :
protractors
.
带刻度或不带刻度的绘图仪器.第2部分：量角器
Specification
for
bevel
protractors
(
mechanical
and
optical
)
斜量角规（机械与光学式）规范
Mr Willis has
sold
out
of
protractors
.
I
expect
everyone
wants
60
degrees
.
Willis
先生的量角器都卖完了。我想每个人都在量60度角呢。
Specification
for
protractors
for
drawing
office
use
制图室用分度规规范