英语词汇“scraper trap”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	scraper trap
释义	scraper trap scraper trap [′skrāp·ər ‚trap] (engineering) A device for the insertion or recovery of pigs, or scrapers, that are used to clean the inside surfaces of pipelines.
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