N100

词形变化

N100s 复数

释义与例句

n.
  1. 1.

    N100; Ellipsis of NIOSH N100.

    N100 standard

    不可数 可数
  2. 2.

    N100; Ellipsis of NIOSH N100.

    N100 filter

    可数 不可数

词源

From Initialism of Not resistant to oil particles with 100% filtration efficiency in NIOSH air filtration ratings.

来源：wiktionary