The diversification of beverage and sales methods, spoilages and preventives from hot sales of beverage were introduced.
介绍了容器装饮料及销售渠道的多样化，由加热销售引起的变败及预防方法。
3
The paper analyzes some phenomena, mechanism and reasons of polyurethane coatings' foaming during the production and construction some preventives and solutions are put forward.