PCN: Property Control Number 物业管理号码 PCN: Personnel Certification in Non-Destructive Testing 在无损检测人员认证 PCN: Product Change Notification 产品变更...
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Through the control of critical points as the FRP length, number of FRP layer and mechanical property of adhesive, which is useful for restraining debonding failure.
通过对纤维布粘贴层数、长度以及粘结胶力学特性等关键要素的控制，可以有效地抑制粘结剥离破坏的发生。
There're many reasons for the existing of the township property right houses which are great in number and out of national supervision control.
小产权房屋数量庞大，国家监管失控，它的存在和蓬勃发展是多方面因素促成的。
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