- scouring agent
- 精练: concise; succinct; terse; re ...
- 剂: a pharmaceutical or other ch ...
- 丝绸精练剂cz-820: fine finishing agent cz-820 for silk
- 精练: (使没有多余词句) concise; succinct; terse; refining 语言精练 succinct language; 精练丝织物 ungummed silk
- 精练，精制: refine
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