Unverified85% confidenceDecision RuleTime unknown
螺纹连接接头选锥形管螺纹(NPT/BSPT)比圆柱螺纹(BSPP)密封性好，锥螺纹靠螺纹变形密封，圆柱螺纹必须加平垫或O圈才不漏
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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