ringbolt

常见例句

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。
5 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。
5.5 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。