Full-mold casting is a technique similar to investment casting, but instead of wax as the expendable material, polystyrene foam is used as the pattern.

实型铸造是与熔模铸造类似的技术，但它用做型模的消耗材料是聚苯乙烯泡沫而不是石蜡。

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The aim of the experiment is to reduce the large amount of ineffective evaporation in inland arid area plain reservoirs by using polystyrene foam plastic slabs floating on the water surface.

本文针对内陆干旱区平原水库水面无效蒸发量大的问题，提出用苯板漂浮水面的工程措施来防止蒸发损失，从而达到平原水库节水的目的。

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A woman rides a tricycle loaded up with many polystyrene foam boxes.

一名妇女骑着一辆载满塑料泡沫箱的三轮车。

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Bloomberg, speaking Friday morning on John Gambling's WOR radio show, touted both the environmental and economic benefits of banning polystyrene foam.

WSJ: New Yorkers react to mayor's plastic foam ban push

In Maine, for example, bait can't be sold in polystyrene foam plastic.

WSJ: New Yorkers react to mayor's plastic foam ban push

Although commonly referred to as Styrofoam, that brand of polystyrene foam isn't used in food packaging, according to its manufacturer, Dow Chemical Co.

WSJ: New Yorkers react to mayor's plastic foam ban push