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﹝室内管道系统﹞
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燃气胶管
连接燃气管道与无烟灶的专用耐油胶管。中国燃气规范明确规定,一般专用橡胶管使用寿命为1~1.5年,燃气专用不锈钢波纹管使用寿命为10年。
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peja jade
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Pekalongan
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Peking Government during Warlord Period
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Peking Jingzhong Assosiation inscription
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Peking Man Site at Zhoukoudian World Culture Heritage
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Peking Opera Class and Qinqiang Opera Class of Xinjiang Art School
Peking opera music
Peking Opera Passages with Scores
Peking Opera Symposium on the 200th Anniversary of Anhui Opera Troupes’ Arrival in Beijing
Peking Opera Theatre of Beijing
Peking Opera Theatre of Hubei Province
Peking Opera Theatre of Jiangsu Performing Arts Group
Peking Opera Training School
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