R100

词形变化

R100s 复数

释义与例句

n.
  1. 1.

    R100; Ellipsis of NIOSH R100.

    R100 standard

    不可数 可数
  2. 2.

    R100; Ellipsis of NIOSH R100.

    R100 filter

    可数 不可数

词源

From Initialism of Resistant to oil particles with 100% filtration efficiency in NIOSH air filtration ratings.

来源：wiktionary