英语词汇primary seal unit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	primary seal unit
释义	primary seal unit 简明释义初级密封单元专业释义 1 动力与电气工程初级密封单元
随便看	toppled toppled over topple down topple over topples topple the government toppling toppling failure topple over toppling top plug top plunger Topply top ply toppo top pocket topponium top-post top-poster top-posting top-posts top-pour top pouring top pouring through pencil gates top pour ladle

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。