a screw that is used to adjust the tension on a spring
a screw (often without a head) that fits into the boss or hub of a wheel or cam etc. and prevents motion of the part relative to the shaft on which it is mounted
setting screw的用法和样例:
例句
The vertical screw shipunloader is voiceless. 垂直螺旋卸船机基本没有声音。
This paper introduces the lower bear's improvement of screw grader. 文章介绍螺旋分级机下部轴承的改造实践。