成员的完整列表，这些成员属于 CThostFtdcQryExchangeExecOrderField,包括所有继承而来的类成员

ClientID	CThostFtdcQryExchangeExecOrderField
ExchangeID	CThostFtdcQryExchangeExecOrderField
ExchangeInstID	CThostFtdcQryExchangeExecOrderField
ParticipantID	CThostFtdcQryExchangeExecOrderField
TraderID	CThostFtdcQryExchangeExecOrderField