Building by laying the foundation, to ensure safety by grasping teams and groups. The system is strictly a few holes, the measures are effective and safe.
造高楼靠打基础，保安全靠抓班组。制度严格漏洞少，措施得力安全好。
Building by laying the foundation, to ensure safety by grasping teams and groups. The system is strictly a few holes, the measures are effective and safe.
造高楼靠打基础，保安全靠抓班组。制度严格漏洞少，措施得力安全好。
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