副產(chǎn)品的用法和樣例：
例句
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家庭用的許多新東西已作為宇航機械的副產(chǎn)品被生產(chǎn)出來(lái)。
Many new things found useful in the home have spun off from the machinery of space travel. -
這種新材料是航天工業(yè)的副產(chǎn)品。
This new material is a spin-off from the space industry. -
氨氣、煤焦油、焦煤都是煤氣生產(chǎn)過(guò)程中的副產(chǎn)品。
Ammonia, coal tar and coke are all by-products obtained in the manufacture of coal gas.
