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【单选题】
普通碳素钢强化阶段的变形是 。A.
完全弹性变形
B.
完全塑性变形
C.
弹性成分为主的弹塑性变形
D.
塑性成分为主的弹塑性变形
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举一反三
【单选题】________ information, please contact Amy ________ 56676551.
A.
For further; on
B.
With further; at
C.
For farther; over
D.
With farther; on
【单选题】按1:2的比例绘制一个长为30mm的机件,下列说法正确的是
A.
画图尺寸30mm, 标注尺寸60mm
B.
画图尺寸60mm, 标注尺寸30mm
C.
画图尺寸15mm, 标注尺寸30mm
D.
画图尺寸15mm, 标注尺寸15mm
【单选题】Mosley, head of the FIA, has promised ______.
A.
further actions to force speeds up
B.
further actions to force speeds down
C.
no further actions to force speeds up
D.
no further actions to force speeds down
【单选题】______, the meeting was brought to a close.
A.
No further discussion arose
B.
No further discussion to arise
C.
No further discussion arisen
D.
No further discussion arising
【单选题】按2:1的比例绘制一个长为30mm的机件,下列说法正确的是( )
A.
画图尺寸30mm, 标注尺寸60mm
B.
画图尺寸60mm, 标注尺寸30mm
C.
画图尺寸15mm, 标注尺寸30mm
D.
画图尺寸60mm, 标注尺寸60mm
【单选题】The astronauts found that ______ the spaceship went further and further into space, it became more and more difficult to control its own movements.
A.
if
B.
till
C.
as
D.
while
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