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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】被连接件受横向外力作用，若采用一组普通螺栓连接时，则靠（ ）来传递外力。
A.
被连接件结合面间的摩擦力
B.
螺栓的拉伸和挤压
C.
螺栓的剪切和挤压
D.
螺栓的剪切和被连接件的挤压
【单选题】Mars Global Surveyor is the oldest of five NASA robotic devices, which is designed to find out signs that Mars once had water;and it had been taking detailed pictures of the red planet for a decade. U...
A.
its life
B.
its orbit
C.
its power
D.
its position