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单词
self-cleaning performance
释义
self-cleaning performance
Encyclopedia
工学
机械防砂
释
self-cleaning performance
双层预充填砾石绕丝筛管
在双层绕丝筛管的两层筛网之间充填一定粒度的砾石形成的筛管。
工学
机械防砂
释
self-cleaning performance
自洁作用
当地层砂随液流进入筛管时,由于割缝或绕丝的缝开口呈外小内大的形状,进入缝内的砂粒不会被堵在缝中,从而达到避免筛管发生堵塞的效果。
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previous access router, PAR
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previous care-of address, PCoA
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previous crop in rotation system
previous prime
prevision of society
pre-visualization
prewarning of agrometeorological disasters
pre-warning signals of sudden agrometeorological disasters
pre-wetting sizing
pre-white dwarf
pre-write compensation
prey-predator
prey-predator relation
prey selection index of fish
Pre-zhou Culture
pre-λ-ring
PRF
PR food etiquette
PRFRI
PR grooming etiquette
P. R. Halmos
P. R. Halmos (1916—2006)
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