无灰无磷  ash-less and phosphorous-free

无灰无磷添加剂  ashless and phosphorous-free additive

超低灰无烟精煤  Ultra-clean Anthracite

丁二酰亚胺无灰分散剂  Succinimide

防静电无尘服  Anti-static and no-dust clothing; Cleanroon clothing

防静电无尘服装  Anti-static and clean room clothing

粉尘无组织排放量  unorganized discharge of dust

干燥无灰基  dry ash-free basis

绝对无尘室  clean room

无尘  no dust

无尘产品  cleaning product

无尘大气  dust-free atmosphere

无尘的  Dust-free

无尘对接  dust-free docking

无尘粉笔  dustless chalk

无尘复合铅稳定剂  nondusting lead complex stabilizer

无尘复合铅盐稳定剂  dust-free composite lead stabilizer

无尘环境  dustfree environment

无尘煤  dust-proofing coal

无尘区  dust-free area