Unverified80% confidenceDecision RuleTime unknown
金属连接件(登山扣/D扣)应选锻造铝或钢质,标注静态承重(如22kN);注塑塑料扣件在低温下易脆断,寒冷地区避免选用
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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