单词:channel-section-bar guard
安全导槽
单词:channel-section-bar guard 相关文章
Ground - Connecting the Earth to electrical equipment with a conductor. This is done so current overloads (perhaps due to a lightning strike) can be safely diverted to the Earth. Ground Fault Circuit
发表于:2019-01-03 / 阅读(53) / 评论(0)
电信英语
中文 英文 缩写 办公文件互换格式 Office Document Interchange Format ODIF 办公自动化系统 Office Automation System OAS 半导体光放大器 Semiconductor Optical Amplifier SOA 半费区
发表于:2019-01-08 / 阅读(60) / 评论(0)
电信英语
By Leta Hong Fincher Washington, D.C. 20 July 2007 Almost two years after Hurricane Katrina devastated the U.S. Gulf Coast, the National Guard says it remains ill-prepared to respond to a sudden disaster. Some lawmakers are calling for better plannin
发表于:2019-01-12 / 阅读(97) / 评论(0)
2007年VOA标准英语(七月)
今天我们要学的词是off-guard。 Off-guard, 是没有提防,缺乏警惕的意思。以色列炮轰加沙后,联合国在加沙地区的一位高级官员说, We were caught off-guard by the operation, 这次行动让我们丝毫没有防备
发表于:2019-02-18 / 阅读(36) / 评论(0)
英语单词荟萃