发现印版移动或衬垫物移位, 及时调整,把印版和衬垫物放回原位固定.Find a printing plate moving or backing, adjust the printing plate and backing back fixed.主要行业的产品是原麻, 麻布,地毯的麻衬垫物.Products of main interest are raw jute, hessian cloth and jute carpet back...

“衬垫物”的英语可以翻译为：underlay ...