齿轮传动与其它传动相比，具有功率范围（），传动效率（），传动比准确，使用寿命长等特点，所以应用广泛。
参考答案：大；高
Without the new paints and the new technique, we would not be able to see the many great
masterpieces_______ this period is famous. [ ]
A. for whom
B. for that
C. for which
D. where
路检修时，只有在相关刀闸全部拉开，且调度下令后，才允许合上线路侧接地刀闸。
