没更多上下文，只能猜一下了。一种可能是葡萄酒原计，即尚未勾兑，或尚未添加其他原料；一种是平常大家说的葡萄酒基地。具体是什么，应根据需翻译的全文的性质来判断吧。个人的直觉是前者可能性较大，但无上下文，只能是猜了。

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Note added at 2 hrs (2008-10-05 10:15:46 GMT)
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原计===>原汁

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Note added at 2 hrs (2008-10-05 11:01:09 GMT)
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经过多方搜索研究，根据多数情况下的实际应用，将条头改为“做果酒的原水果计”或“果酒母汁”。

此处的“wine base”的实际意思是“做果酒的基础材料”的意思，而wine不一定是葡萄酒，多半是果酒。所以wine base就是买回家自己做果酒的水果“母汁”。

做“基地”讲的情况极少见，除非上下文确定如此。如：http://en.sxdofcom.gov.cn/2006/8-25/09413750633.asp

而与橱柜有关的wine base，多半是上面放调好的酒的格子柜，下面是放原汁的底柜。

一般情况下，说的最多的还是“果酒母汁”：
http://www.beer-wine.com/category_page.asp?categoryID=123&se...
http://prehn.com/bulk_liquor_wine.html
http://www.barossa-region.org/winemaking/Cranberry-Fruit-Win...

http://store.homebrewheaven.com/shared/StoreFront/default.as...

In most English speaking communities, "wine base" is not a common word that is used everyday, in contrast to wine based.

Wine base is seems to be a made-up word that is used to describe a wine cabinet in some context, as explained by others here, and also directly related to a software for wine inventory, that is based in Australia.

www.winebase.com.au/

If it is related to describing anything that is to do with beverage, food, condiment items, then my translation would suffice.