The steel case of the chemical reactor, chrome surfaces. Selective focus. Abstract industrial background, sunshine.
Bioquell 为 COVID-19提供指导 (之前称为 2019-nCoV)
Bioquell 与 Ecolab 正在密切关注 COVID-19 的爆发,并为降低感染风险提供指导。
The steel case of the chemical reactor, chrome surfaces. Selective focus. Abstract industrial background, sunshine.