ampere's right handed screw rule

例句：

1. 1.This is an important tool for measuring the length of wires.
   这是测量电线长度的重要工具。
2. 2. The engineer used a special screw rule to check the accuracy of the measurements.
   工程师使用一种特殊的螺旋规来检查测量的准确性。
3. 3. The screw rule was essential in ensuring that the construction was done correctly.
   螺旋规在确保建筑正确完成方面是至关重要的。