短語(yǔ)詞組短語(yǔ)balance spring stud screw 游絲外栓螺釘hairspring stud screw 游絲外樁螺釘balance ring stud screw 游絲外栓螺釘balance e spring stud screw 游絲外栓螺釘Screw stud 雙頭螺栓;無(wú)頭螺樁;螺柱tension screw stud 夾線(xiàn)螺釘 返回 stud screw