化学品管制
中国高级禁毒官员周三表示，中美两国在禁毒合作方面保持稳定进展，并宣布将16种物质列入管制清单。
由 AI 报道
Traditional dry cleaning relies on perchloroethylene (PERC), a toxic solvent now facing phase-outs in several U.S. states. California completed its PERC ban in dry cleaning facilities in 2023, prompting a shift toward safer alternatives like professional wet cleaning and liquid CO2 methods. These changes aim to reduce environmental harm while effectively cleaning delicate garments.