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单词
dust counter
释义
WordReference Random House Unabridged Dictionary of American English © 2024
dust
′
count′er,
Meteorology
any instrument used to measure the size and number of dust particles per unit volume in the atmosphere. Also called
nucleus counter.
1890–95
随便看
d.c.m.
dcm
dcms
d.cn.l.
dcpa
d.crim.
d.c.s.
d.c.s
d&d
d, d
d/d
dd
d-day
ddos
ddp
ddr
dds
d.d.s
d.d.sc.
ddt
de'
de-
de
dea
deaccelerate
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更新时间:2025/11/17 4:53:57