1.固定[定位]螺丝,弹簧调节螺丝
1.a screw that attaches one part of a mechanism to another and prevents it moving relative to the part to which it is fixed
2.a screw that regulates the tension in a spring or the opening of a valve
1.Design of the Injection Mould for the Biomaterial Setscrew
生物材料固定螺钉注射模设计