并建议尽快制定玻璃钢夹砂管的管材标准、设计规范、施工规程以及质量验收标准。
It is suggested that the technical standards, the design specifications, the job specifications, and the quality requirements, be worked out as soon as possible.
摘要：人工砂在建筑行业中使用已越来越普遍，人工砂石粉含量超出规范要求限制了其使用范围。
Abstract: the artificial sand in construction industry use more and more general already, artificial sand powder content beyond specification limits the scope of its use.
现今彩砂行业已采用紫外线映照作为彩砂褪色性的规范测试办法。
The sand industry has been using the UV mapping as the standard test method of sand fade.
应用推荐