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【单选题】
能把转动运动转换成往复直线运动,也可以把往复直线运动转换成转动运动。A.
曲柄摇杆机构
B.
双曲柄机构
C.
双摇杆机构
D.
曲柄滑决机构
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举一反三
【简答题】Select ten sentences used by Deems to compliment the stars for their beauty and taste for dresses. Barbra Streisand
【单选题】----Can you think of another good idea? ----This is the best approach I can imagine ________ the work ahead of schedule.
A.
to accomplish
B.
to accomplishing
C.
accomplishing
D.
Accomplished
【简答题】高速接触网对坡度值要求是较为严格的,其值不应大于3.0‰,一般应控制在( )以内。
【简答题】Select ten sentences used by Deems to compliment the stars for their beauty and taste for dresses. Natalie Wood
【简答题】Select ten sentences used by Deems to compliment the stars for their beauty and taste for dresses. Carmen Miranda
【单选题】_____ the stars for guidance, Magellan and his crews finally made it across the Atlantic to the coast of Brazil.
A.
To use
B.
Used
C.
Using
D.
Use
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