Over three years of work experience in the trade and some high school, college or industry courses in cement finishing are usually required to be eligible for trade certification.
通常需要具有三年以上行业内工作经验，和高中，大学或水泥整理行业课程，才有资格取得行业认证。
Semi-finishing grinding systems with roller press are used more and more in new-built PC production lines and cement grinding stations.
辊压机半终粉磨系统在新建干法水泥生产线及水泥粉磨站中，近年来逐渐被广泛采用。
CJCD surface finishing screed is widely used to strickle cement, concrete surface in building site and road construction. Its trait is for easy operation and transportation.
型抹平机主要用于建筑工地，公路等施工建设中的水泥和混凝土等地面的捣平。它的主要特点是操作轻便，容易搬运等。
The polymer modified cement based composite material applied on exterior wall decoration and finishing has reliable property, easily use and economic feasibility.
聚合物改性水泥基复合材料在外墙装饰装修上的应用，具有性能可靠、使用简便、经济可行等特点，较好地解决外墙装饰装修存在的通病。
The polymer modified cement based composite material applied on exterior wall decoration and finishing has reliable property, easily use and economic feasibility.
聚合物改性水泥基复合材料在外墙装饰装修上的应用，具有性能可靠、使用简便、经济可行等特点，较好地解决外墙装饰装修存在的通病。
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