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constant pressure pneumatic water supply installation
释义
市政工程词汇手册
constant pressure pneumatic water supply installation
定压式气压给水设备
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background information
backgrounding
background investigation
background investigation
background job
background limited photodetector
background loudspeaker
background luminance
background luminescence
background material
background monitor
background monitoring
background monitoring well
background music
background music
background music
background music
background music
background music--background music (BGM)
background music (BGM)
background noise
background noise
background noise
background noise of wind tunnel
background noises
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