而一些特定的行业，比如建筑业和交通运输业在突发恶劣天气时是难以防御的。
And certain industries, such as construction and transportation, are particularly vulnerable to bursts of bad weather.
小型型材是钢铁产品的主要品种之一，广泛应用于工业、农业、交通运输业和建筑业。
Small-scale profile steel is one of the main varieties of steel products, applied to the industry, agriculture, communication and transportation business and construction extensively.
应用推荐