ppm

名词 n.
中文释义

英文释义

名词 n.
  1. Initialism of parts per million (10000 ppm = 1%). abbreviation,alt-of,initialism
    — The overflush consisted of 100 bbls of uncrosslinked 3000 ppm polymer, followed by one wellbore volume (~150 bbls) plus 450 bbls crude behind pipe.
  2. Initialism of page(s) per minute. abbreviation,alt-of,initialism

词形变化

ppm plural

词汇关系

相关词
percent permille permyriad
0 次浏览 数据来源: Wiktionary