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

CloseDealType	CThostFtdcProductField
ExchangeID	CThostFtdcProductField
ExchangeProductID	CThostFtdcProductField
MaxLimitOrderVolume	CThostFtdcProductField
MaxMarketOrderVolume	CThostFtdcProductField
MinLimitOrderVolume	CThostFtdcProductField
MinMarketOrderVolume	CThostFtdcProductField
MortgageFundUseRange	CThostFtdcProductField
PositionDateType	CThostFtdcProductField
PositionType	CThostFtdcProductField
PriceTick	CThostFtdcProductField
ProductClass	CThostFtdcProductField
ProductID	CThostFtdcProductField
ProductName	CThostFtdcProductField
TradeCurrencyID	CThostFtdcProductField
UnderlyingMultiple	CThostFtdcProductField
VolumeMultiple	CThostFtdcProductField