英语词汇plain seal怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	plain seal
释义	plain seal 简明释义普通封印：一种简单的封印方法，通常用于封闭文件、信件或包裹。网络释义短语 1 PLAIN SEAL FASTENERS 平原密封紧固件 2 plain seal around the reservoir 平原围封水库 3 PLAIN ENCASED SEAL FASTENERS 普通包裹密封紧固件双语例句 1 It is difficult to find out an engineering example that plain cushion self-tight seal applied to tubesheet seal in domestic and overseas references. 综观国内外各类文献资料，很难查到平垫自紧密封结构应用于换热器管板密封的工程实例。
随便看	managerial and administrative expertise managerial and administrative personnel managerial and operational rationalization managerial approach managerial aptitude Managerial Art managerial audit managerial audit Managerial Authority managerial breakthrough managerial bureaucracy managerial capitalism managerial characteristics managerial class managerial competence managerial competency managerial condemnation managerial contract system managerial control managerial control principle managerial control process managerial control systems managerial cost accounting managerial cost control managerial data

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