请输入您要查询的字词:
单词
百万分之--百万分率
释义
水利水电词汇手册
ppm (parts per million)
百万分率,百万分之
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pseudovacuole
pseudovector
pseudo-velocity response spectrum
pseudovelum
pseudovertigo
pseudovirion
pseudo-viscosity
pseudo-viscosity method
pseudovolcano
pseudoxanthoma
pseudoyeast
pseudoyeast
pseudozygospore
pseuduvaria
PSE(point of subjective equality)
psf
psf (pounds per square foot)
psf--psf (pounds per square foot)
PSG
PSG
PSG (performance security guarantee)
PSG--PSG (performance security guarantee)
PSG--PSG(phrase-structure grammar)
PSG(phrase-structure grammar)
psi
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