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单词 密封圈
例句 DEFINITIVE EXAMPLES 权威例句〔gasket〕The engine had blown a gasket(= had allowed steam, etc. to escape).发动机的密封圈漏气了。牛津高阶〔packing〕A material used to prevent leakage or seepage, as around a pipe joint.密封圈:用来防止漏水或渗漏的一种材料,如水管的接合处美国传统
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