acid chemical-coloring liquor的用法和样例：
- Nantong Acetic Acid Chemical Co., Ltd.
- A technology of surface chemical coloring of stainless steel for cooking utensil is studied.
- The research home and abroad on the chemical coloring of stainless steel is surveyed.
- It was found that the presence of phosphoric acid chemical modifier permited a higher ashing temperature and stabilized the signal.
- Satisfactory colored-films on iron craftworks were obtained by coloring process of electroless Cu plating at room temperature and chemical coloring in turn.