vertical rod
短语词组
- vertical support rod 纵向支撑筋条
- vertical rudder rod 垂直舵杆
- a vertical grounding rod 垂直接地极
- vertical transmission rod 垂直传动杆
- vertical web rod 直腹杆
- vertical grounding rod 垂直接地体
- vertical internal rod 内部纵筋
- vertical rod method 垂针法
- vertical forepoling anchor rod 超前垂直锚管 返回 vertical rod