基本释义:

园头螺丝

网络释义

1)round-head screw,园头螺丝

2)round-head machine screw with grommet nut,园头机器螺丝带手拧螺母

3)socket screw,凹头螺丝

4)doublethread,双头螺丝

5)screwed joint,螺丝接头

6)tommy screw,贯头螺丝