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(3)浣庝腑澹撻崑鐖愮 GB/T3087-99 (10)鑸硅埗鐢ㄧ GB5312-85
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(5)鍐锋嫈/鍐疯粙绠� GB3639-83 (13)娑插鏀煴绠� GB17396-98
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(7)鐭虫补瑁傚寲绠� GB9948-88 API 5L
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鑱�(li谩n)绯婚浕瑭憋細022-26810466 26818382
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