黏度极低,保证了精加工所要求的光洁度.Very thin viscosity ensuring a supper finishing in fine machining.TPI硫化 胶的热氧老化以断链反应为主,门尼黏度越高,混炼难度越大,同时硫化胶的耐老化性能越差.The aging performance decreased with the increase of Mooney viscosity.解决办法: 更换油墨 、 调整油墨...
The cocoa industry dwindled because it became increasingly difficult to cover costs.由于越来越难以收回成本，可可产业日渐衰落。The factory's workforce has dwindled from over 4,000 to a few hundred...工厂雇员总数已经从 4,000 多人减少到几百人。Longfellow, L...