1·"Given a choice, I would never work in a mine," says Wang dressed in a pair of old jeans, white tennis shoes and a brown artificial leather jacket, dirt clogging his long fingernails.
“假如还有别的选择，我是绝不会再当一名煤矿工人的。” 身着一件牛仔裤，脚穿一双白球鞋，外套一件棕色的人造革夹克，留有脏兮兮的长指甲的小王如是说。
3·The article summarizes reasonable safeguard and maintenance process of casting papers from many years' experience of artificial leather production.
从多年的人造革生产实践中总结出离型纸较合理的维护保养工艺。