结果为准，对比监督检验允许误差见石油沥青纸胎油毡企业质量规程第10条。
同时，烟花、DSD酸、蜡烛、油毡等生产出口优势也很明显。
1·The decrease of paper based asphalt felt by a big margin is the general trend, instead, a large number of advanced waterproof materials are coming in.
纸胎沥青油毡大幅度减少是大势所趋，代之而起的是一大批先进的防水材料。
2·This paper expounds the total structure of the asphalt felt digital system determining length and circuit diagrams and principles.
本文主要阐述了油毡纸数字定长系统的总体结构，各部分的电路图及工作原理。