英语词汇“backing ring”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	backing ring
释义	backing ring backing ring [′bak·iŋ ‚riŋ] (engineering) A strip of metal attached at a pipe joint at the root of a weld to prevent spatter and to ensure the integrity of the weld. backing ring A backing in the form of a ring, used during the welding of piping at butt joints.
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