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氩
释义
氩argon 【医】 argon 氩(1)氬yà(2)一种无色、无臭的惰性气体元素,存在于空气中,占空气体积的0.94%,亦存在于火山气体中,从液态空气分离获得。主要用于金属加工和电弧焊接时作为保护性气氛,还用于白炽电灯和荧光灯泡、充气电子管以及盖革计数管作填充气体 [argon]――元素符号为A或Ar
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executive deck
executive development
executive diagnostics
executive diagnostic system
executive director
executive dump
executive field-control system
executive function
executive functions
executive guard mode
executive instruction
executive job scheduling
executive language control
executive logging
executive manager
executive mode
executive module
executive officer
executive operating system
executive order
executive overhead
executive personnel
executive power
executive privilege
executive program
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更新时间:2026/6/12 2:02:41