3、针对二号宿舍楼质量事故，今后要做到质量三不放。

• Keep it short and easy to remember.
• Use keywords related to your blog's topic.
• Avoid using hyphens or numbers.
• Make sure it's available (you can use a domain registrar's search tool to check).

　　2、8月28日前完成三层主体结构。

• Keep it short and easy to remember.
• Use keywords related to your blog's topic.
• Avoid using hyphens or numbers.
• Make sure it's available (you can use a domain registrar's search tool to check).

• Keep it short and easy to remember.
• Use keywords related to your blog's topic.
• Avoid using hyphens or numbers.
• Make sure it's available (you can use a domain registrar's search tool to check).

　　安全方面：存在进入施工现场的工人未带安全冒现象。原因分析：①天气炎热：②现场管理人员松懈。