英语词汇“hand lance”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	hand lance
释义	hand lance hand lance [′hand ‚lans] (engineering) A hand-held pipe with a nozzle through which steam or air is discharged; used to remove soot deposits from the external surfaces of boiler tubes.
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