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

BrokerID	CThostFtdcQryOrderField
ExchangeID	CThostFtdcQryOrderField
InsertTimeEnd	CThostFtdcQryOrderField
InsertTimeStart	CThostFtdcQryOrderField
InstrumentID	CThostFtdcQryOrderField
InvestorID	CThostFtdcQryOrderField
OrderSysID	CThostFtdcQryOrderField