- 分级: grade; classify; classificat ...
- 配: join in marriage
- 筛分级配: screen size gradation
- 喷咀的分级配置: injector staging
- 级配: gradation grading; gradation composition; grade; graduation; particle distribution limit; particle limit
关注微信公众号：chachacidian，回复:分级配，即可在微信中查询翻译
