预制品 meaning in English
prefabrication
preform
Examples
- The processing of petroleum hydrocarbon to yield materials that are , essentially , the building blocks of other chemicals industries , is now very extensive
石油碳氢化合物通过加工所生产的物质，基本上是其他化学工业的预制品，这种加工目前范围十分广泛。 - It must be remembered , however , that ease of separation of a particular compound from petroleum does not guarantee its use as a petrochemical building block
但是必须清楚，如果某种化合物能够容易地从石油中分离出来，并不表明它一定就是石化产品的预制品。