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

BrokerID	CThostFtdcQryExecOrderField
ExchangeID	CThostFtdcQryExecOrderField
ExecOrderSysID	CThostFtdcQryExecOrderField
InsertTimeEnd	CThostFtdcQryExecOrderField
InsertTimeStart	CThostFtdcQryExecOrderField
InstrumentID	CThostFtdcQryExecOrderField
InvestorID	CThostFtdcQryExecOrderField