N95
词形变化
N95s
复数
N95s
释义与例句
n.
-
1.
N95; Ellipsis of NIOSH N95.
The N95 standard.
不可数 可数 -
2.
N95; Ellipsis of NIOSH N95.
An N95 filter.
可数 不可数
词源
Initialism of Not resistant to oil particles with 95% filtration efficiency in NIOSH air filtration ratings.
来源:wiktionary