Civil Aviation Passenger Transport Industry have low profit margin and easily impact from market risks, which compress capital, labor and technic.
民航旅客运输业是一个资金、劳动和技术密集型行业，行业的利润率低，抵御风险能力弱。
Civil Aviation Passenger Transport Industry have low profit margin and easily impact from market risks, which compress capital, labor and technic.
民航旅客运输业是一个资金、劳动和技术密集型行业，行业的利润率低，抵御风险能力弱。
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