安装一部投入材料费463.61元;其主要材料氧气17瓶、乙炔17瓶，计1515.47元;手拉葫芦(3t)2台，计649.57元;钉扣机机头2件，计992.99元。

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　　1、 电工定期检查小区灯饰工程正常运行及井盖破损问题。水电工安排夜间值班，安排夜间住宿问题。

• 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).

　　二、主要材料投入分析