ringbolt ['rɪŋˌboʊlt]

例句:

• When a piton is intentionally removed It'should be replaced with a fixed hanger or ringbolt.
  5为某因素而特意移除岩钉时,应以固定耳片或环形锚栓加以更换.
  
• Where good natural protection is not available a fixed hanger or ringbolt should replace the piton.
  若该处并无良好的天然支点,则应以固定耳片或环形锚栓取代该岩钉.