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ST: All the pipelines crossing SE or connected thereto shall be equipped with isolating devices installed as close to the point of intersection of SE as it is technically possible. The number of isolating devices and their places of installation shall be selected so that all pipelines intersecting SE for which it is stipulated by the NPP design be isolated at any design-basis initiating event and a failure of one of safety components covered by the design and not influenced by the initiating event.
TT1: ËùÓд©¹ýÃÜ·âÍâ¿Ç»òÓëÆäÏàÁ¬µÄ¹ÜµÀÓ¦Å䱸¸ôÀë×°Ö㬰²×°ÔÚ¾¡¿ÉÄÜ¿¿½üÃÜ·âÍâ¿Ç½»²æµãµÄλÖá£Ó¦Ñ¡Ôñ¸ôÀë×°ÖõÄÊýÁ¿¼°Æä°²×°Î»Öã¬ÒÔ±ãÔÚÈκÎÉè¼Æ»ù׼ʼ·¢Ê¼þºÍÉè¼Æº¸ÇµÄÈÎÒⰲȫ²¿¼þ·¢Éú¹ÊÕÏʱ£¬²»ÊÜʼ·¢Ê¼þµÄÓ°Ï죬¸ôÀëÓëºËµçÕ¾Éè¼Æ¹æ¶¨µÄÃÜ·âÍâ¿ÇÏཻµÄËùÓйܵÀ¡£
TT2: ËùÓд©¹ý»òÓëÃÜ·âÍâ¿ÇÏàÁ¬µÄ¹ÜµÀÓ¦Å䱸¸ôÀë×°Ö㬰²×°ÔÚ¾¡¿ÉÄÜ¿¿½üÃÜ·âÍâ¿Ç½»²æµãµÄλÖ᣸ù¾ÝºËµçÕ¾Éè¼Æ¹æ¶¨£¬Ó¦É÷ÖØÑ¡Ôñ¸ôÀë×°ÖõÄÊýÁ¿¼°Æä°²×°Î»Öã¬ÒÔ±ãÔÚ·¢ÉúÈκÎÉè¼Æ»ù׼ʼ·¢Ê¼þºÍÉè¼Æº¸ÇµÄÈÎÒⰲȫ²¿¼þ·¢Éú¹ÊÕÏʱ£¬¸ôÀëÓëÃÜ·âÍâ¿ÇÏཻµÄËùÓйܵÀ£¬ÇÒÆä²»ÊÜʼ·¢Ê¼þµÄÓ°Ïì¡£
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ST: Loss of tightness of a sealed enclosure is the state of NPP components at the boundary of the accident confinement area that, under design functioning of safety systems, will lead to exceeding the design value of leakage from the SE in case of an initiating event of a design basis accident .
TT1: ÃÜ·âÍâ¿ÇµÄÃÜ·âÐÔÊÜËðÊÇÖ¸ÔÚ°²È«ÏµÍ³µÄÉè¼Æ¹¦ÄÜÏ£¬Ê¹ÊÏÞÖÆÇø±ß½ç´¦ºËµçÕ¾²¿¼þµÄ״̬£¬Èç¹û·¢ÉúÉè¼Æ»ù׼ʹÊʼ·¢Ê¼þ£¬½«³¬³öÃÜ·âÍâ¿Çй©Éè¼ÆÖµ¡£
TT2: ÃÜ·âÍâ¿ÇµÄÃÜ·âÐÔÊÜËðÊÇÖ¸ÕâÑùÒ»ÖÖ״̬£ºÔÚ°²È«ÏµÍ³µÄÉè¼Æ¹¦ÄÜÏ£¬Èç¹û·¢ÉúÉè¼Æ»ù׼ʹÊʼ·¢Ê¼þ£¬Ê¹ÊÏÞÖÆÇø±ß½ç´¦ºËµçÕ¾²¿¼þµÄÃÜ·âÍâ¿Çй©Éè¼ÆÖµ½«±»³¬³ö¡£
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ST: Isolating devices may not be installed on pipelines passing through SE or pipelines connected to it and used to take in the working medium from the primary coolant circuit pipelines or accident confinement area rooms with subsequent return therein, and to carry out measurements during the accident. However, these pipelines and the equipment connected to them shall meet the requirements imposed by these Rules to SE components.
TT1: ¸ôÀë×°Öò»µÃ°²×°ÔÚ´©¹ýÃÜ·âÍâ¿ÇµÄ¹ÜµÀ»òÓëÆäÏàÁ¬µÄ¹ÜµÀÉÏ£¬ÕâЩ¹ÜµÀÓÃÓÚ´ÓÖ÷ÀäÈ´¼Á»ØÂ·¹ÜµÀ»òʹÊÏÞÖÆÇø·¿¼äÖÐÎüÈ빤×÷½éÖÊ£¬Ëæºó·µ»Ø£¬²¢ÔÚÊÂ¹ÊÆÚ¼ä½øÐвâÁ¿¡£µ«ÊÇ£¬ÕâЩ¹ÜµÀ¼°ÓëÖ®ÏàÁ¬µÄÉ豸ӦÂú×ã±¾¹æ¶¨¶ÔÃÜ·âÍâ¿Ç²¿¼þµÄÒªÇó¡£
TT2: ÓÃÓÚ´ÓÖ÷ÀäÈ´¼Á»ØÂ·¹ÜµÀ»òʹÊÏÞÖÆÇø·¿¼äÖÐÎüÈ¡²¢·µ»Ø¹¤×÷½éÖÊ£¬²¢ÔÚÊÂ¹ÊÆÚ¼ä½øÐвâÁ¿£¬´©¹ý»òÓëÃÜ·âÍâ¿ÇÏàÁ¬µÄ¹ÜµÀ¿É²»°²×°¸ôÀë×°Öᣵ«ÊÇ£¬ÕâЩ¹ÜµÀ¼°ÓëÖ®ÏàÁ¬µÄÉ豸ӦÂú×ã±¾¹æ¶¨¶ÔÃÜ·âÍâ¿Ç²¿¼þµÄÒªÇó¡£
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