military aviation security
military aviation security
军事航空保安
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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In December it announced that state-owned enterprises under the central government would remain in control of industrial sectors considered crucial to national security and economic welfare: military equipment, electric power, oil and petrochemicals, telecommunications, coal, aviation and shipping.
ECONOMIST: Governing China