螺丝钉

• In old - fashioned schools , the desks were screwed to the floor
  在旧式学校里，课桌是用螺丝钉固定在地板上的。
• An individual is to a country what a screw is to a machine
  一个人对于国家的作用，就如同螺丝钉对于机器一样。
• Robot pieces may be permanently attached with glue , screws , etc
  机器人的部件可以使用胶水、螺丝钉等进行固定。
• That the insert and screw
  即插入式和螺丝钉式
• Galvanized mild steel drive screw
  镀锌螺丝钉
• Cross recessed head screw
  凹十字螺丝钉
• Rustproof the steel screw double cadmium plating on the 96 - hour salt spray test
  防锈的双层镀镉钢螺丝钉经96小时盐喷射测试
• Fix the machine and move to the right a little . 4 . make sure the screw is fixed
  对照消毒机后的两挂孔，把它挂上螺丝钉上；
• Slot - screwed joint
  螺丝钉孔接榫