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Where good natural protection is not available a fixed hanger or ringbolt should replace the piton. 若該處并無(wú)良好的天然支點(diǎn)，則應(yīng)以固定耳片或環(huán)形錨栓取代該巖釘。
5 When a piton is intentionally removed it should be replaced with a fixed hanger or ringbolt. 5為某因素而特意移除巖釘時(shí)，應(yīng)以固定耳片或環(huán)形錨栓加以更換。
5.5 When a piton is intentionally removed it should be replaced with a fixed hanger or ringbolt. 5為某因素而特意移除巖釘時(shí)，應(yīng)以固定耳片或環(huán)形錨栓加以更換。