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单词 hood
释义 hood
[hu̇d]
DESIGN ENGINEERING
An opaque shield placed above or around the screen of a cathode-ray tube to eliminate extraneous light.
ENGINEERING
1. Close- fitting, rubber head covering that leaves the face exposed; used in scuba diving.
2. A protective covering, usually providing special ventilation to carry away objectionable fumes, dusts, and gases, in which dangerous chemical, biological, or radioactive materials can be safely handled.
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