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单词
ppb
释义
WordReference Random House Unabridged Dictionary of American English © 2024
PPB,
Printing
(in publishing) paper, printing, and binding.
Also,
P.P.B.
ppb,
Printing
(in publishing) paper, printing, and binding.
Weights and Measures
parts per billion.
Also,
p.p.b.
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fire company
fire control
fire-control
firecracker
firecracker flower
firecrest
fire cross
fire-cure
fire curtain
fired
firedamp
fire department
firedog
fire door
firedrake
fire drill
fire-eater
fire-eating
fire engine
fire-engine red
fire escape
fire extinguisher
fire-extinguisher
firefight
firefighter
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更新时间:2025/12/21 0:17:44