Terms for subject Tools containing The

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All dynamometers are inherently bidirectional and therefore do not require repositioning to switch the direction of rotation	所有测功器本身可双向转动，因此不需重新放置测功器来改变旋转方向
The dial indicators are particularly useful in determining runout on rotating shafts and rotors. They can measure with an accuracy of 0.01 inch	百分表对转轴和转子的性能测定特别有用。测量精确度可达001秒