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2006年,美国严格审查向中国出口石墨;2024年,中国严格审查向美国 ...
据介绍,除了了制造固体火箭发动机、弹道导弹和高超音速武器的耐热部件外,人造石墨还被用作工程材料,用于制造精密加工的板、柱、螺母和螺栓,以及用于航空航天金属(如钛、不锈钢和其他合金)热处理的加热元件和固定装置。石墨的另一个用途是作为 ...
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11月18日,石墨电极概念股大涨,宝泰隆(601011)、杉杉股份(600884)涨停,翔丰华(300890)、璞泰来(603659)、中科电气(300035)、宝钢 ...
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SK president impeached
US couple killed in Mexico
Settle sexual assault suit
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$1M to inaugural fund
To end daylight saving time?
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GA judge denies motion
Workers authorize strike
To hear CA emissions case
Pearl Harbor survivor dies
To lead intelligence board
Bank groups sue CFPB
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Geminid meteor shower
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Hunter wins Heisman Trophy
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