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知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见解，找到自己的解答」为品牌使命。知乎凭借认真、专业、友善的社区氛围、独特的产品机制以及结构化和易获得的优质内容，聚集了中文互联网科技、商业、影视
- General Discussion gt; AR15. COM
Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear
- Clemson Football and Recruiting since 1995 - TigerNet
TigerNet is the oldest and largest source of Clemson Football and Recruiting News and Discussion Join our community today, 100% free!
- Equipment Exchange Community gt; AR15. COM
Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear
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哈哩哈哩的新网址是什么? 6月15日之后的新网址 显示全部 关注者 12 被浏览
- Clemson Football: News, Rumors, Analysis More - TigerNet
TigerNet is the oldest and largest source of Clemson Football and Recruiting News and Discussion Join our community today, 100% free!
- Sighting In - AR15. COM
The AR-15 rifle has two adjustable sights- front and rear Zeroing elevation adjustments are made using the front sight, and windage adjustments with the rear The rear sight has an elevation knob with range indicators from 300 to 800 meters and two apertures for range One aperture is marked 0-2 for short range from 0-200 meters and the unmarked aperture for normal range from 300 to 800
- 20种事故类别、15大类伤害方式 (工伤事故伤害方式)、4大类物的不安全状态、13大类：人的不安全行为、6大类危险有害因素
15大类伤害方式 (工伤事故伤害方式) 4大类物的不安全状态 依据《企业职工伤亡事故分类》（GB 6441-1986）将“物的不安全状态”分为以下四类： 6 01防护、保险、信号等装置缺乏或有缺陷 6 01 1无防护 无防护罩 无安全保险装置 无报警装置 无安全标志 无护栏或
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