为了测量木块与木板间动�擦因数某小组使用位移传感器设计了如图甲所示的实验装置让木块从倾斜木板上一点a由静止释放位移传感器可以测出木块到 Template


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tomski为了测量木块与木板间动�擦因数某小组使用位移传感器设计了如图甲所示的实验装置让木块从倾斜木板上一点a由静止释放位移传感器可以测出木块到 coloring