A by-product of the timber industry has been turned into a safe and reusable hot-gun glue that could replace solvent-based adhesives that are toxic to humans and the environment. Ziwen Lv, at Beijing ...
A by-product of the timber industry has been turned into a safe and reusable hot-gun glue that could replace solvent-based adhesives that are toxic to humans and the environment. Ziwen Lv at Beijing ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果