adjusting knob

• 调节钮

adjusting knob的用法和样例：

例句

1. Two adjusting screws harmonise the guns with the sight.
   有两个调节钮来校准武器和瞄准具。
2. According to carving the different material quality writing, but passing a fuselage, superjacent revolution adjusts Niu adjusting the weight delineating arbitrarily.
   根据刻写的不同材质，可通过机身上方的旋转调节钮任意调节刻划的深浅度。