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窄级别粒群
释义
窄级别粒群
Encyclopedia
工学
[重选理论]
释
narrow-size particle group
窄级别粒群
最大颗粒的粒度与最小颗粒的粒度之比小于其低密度颗粒与高密度颗粒的自由沉降等降比的固体颗粒集合体。
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sound-absorbing coefficient
sound-absorbing construction
sound absorbing material
sound-absorbing material
sound absorbing material and sound absorbing structure
sound absorbing material of polyvinyl chloride foam
sound-absorbing nonwoven material
sound absorbing organic fiber
sound absorption
sound absorption application
sound absorption block
sound absorption ceramic tile
sound absorption coefficient
sound absorption device
sound absorption in architecture
sound absorption material
sound absorption wood-based panel
sound amplification
sound amplifier operator on site
sound arrester
sound articulation
sound barrier
sound beam
sound board
sound broadcasting
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