mortar screed造句

• This paper analyzes on the common quality faults of cement mortar screed - coat in the roofing construction such as the inaccuracy of the slope - making , the unsmoothness of the drainage , and the sanding , peeling and cracking of the screed - coat , etc . , and advances some corresponding precautionary measures
  重点分析了屋面工程中水泥砂浆找平层的质量通病,如找坡不准、排水不畅、找平层起砂、起皮和开裂等,并有针对性地提出了具体的防治措施。