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【简答题】
架空线路的主要元件有 、 、 、绝缘子、杆塔基础、接地装置、拉线、及各种等。
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举一反三
【简答题】People are often killed while crossing the road. Most of them are old people and children. Old people are often killed because they usually can't see or hear very well. Children are often killed becau...
【简答题】（）轴承主要盛誉受轴向载荷，向心轴承主要承受（）载荷。
【简答题】向心轴承主要承受 载荷,推力轴承主要承受 载荷,向心推力轴承同时承受 载荷。
【单选题】Which of the following is not true of those young computer hackers?
A.
Most of them are top students majoring in computer programming.
B.
For them, computer programming is the sole purpose for their life.
C.
They can stay with the computer at the center for nearly three days on end.
D.
Their 'love' for the computer is so deep that they want to be near their machine when they sleep.
【简答题】向心轴承主要承受 载荷,推力轴承主要承受 载荷。
【单选题】Which of the following is NOT true of those young computer 'hackers'?
A.
Most of them are top students majoring in computer programming.
B.
For them, computer programming is the sole purpose for their life.
C.
They can stay with the computer at the center for nearly three days on end.
D.
Their 'love' for the computer is so deep that they want to be near their machines even when they sleep.
【简答题】天然沥青的编码是__________
【简答题】A．Most of them are popular among their teachers. B．Their classes are held wherever they are working, C．They are likely to become famous stars. D．They often don't have enough time for their lesson.
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