screw-thread angle

例句：

1. 1.The screw-thread angle is critical for the fit of the screw head to the shaft.
   螺纹角度对于螺钉头与轴的配合至关重要。
2. 2.The engineer measured the screw-thread angle and calculated the necessary torque for the bolt.
   工程师测量了螺纹角度并计算了螺栓所需的扭矩。
3. 3. The angle of the screw-thread was measured using a protractor, which helped in determining the correct depth of the hole.
   使用量角器测量了螺纹角度，这有助于确定孔的正确深度。