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单词
backing vacuum
释义
backing vacuum
美
英
un.
前级真空
英汉
网络释义
un.
1.
前级真空
1.
前级真空
英语语言词典 # 翻译 ... ... 前级真空泵 fore vacuum pump
前级真空
backing vacuum
;forevacuum 前级真空的 preevacuating ...
zh-tw.w3dictionary.org
例句
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national afforestation
national agency
national agreement
national agricultural chemical association
national aid
national air and space museum
National Aircraft Noise Abatement Council
national airline
national airlines
National Airlines Inc.
national air pollution control administration
National Air Pollution Technical Information Center
National Airport
national air sampling network
national airspace
national Airspace System
national air surveillance network
national air traffic services
national allegiance
National Alliance
National Alliance of Businessmen
national ambient air quality standards
National Ambulatory Care Survey
National Ambulatory Medical Care Survey
National American Woman Suffrage Association
英汉双解词典包含2704715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。
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更新时间：2026/10/11 4:28:28