1·LEGO bricks start out as granulated acrylonitrile butadiene styrene (ABS), a type of shiny plastic used to make everything from hard hats to toys to pipes.
乐高积木始于小颗粒状的丙烯腈丁二烯苯乙烯(abs)，一种闪亮的可以被用于制造从硬帽子到水管的塑料。
2·Nitrile is a copolymer of butadiene and acrylonitrile.
腈是一种丁二烯与丙烯腈的共聚物。
3·Many of the raw materials used in the petrochemical industry are unsaturated hydrocarbons, such as ethylene, propylene, butene and butadiene.
在石油化学工业中所用的许多原料是不饱和烃类，如乙烯、丙烯、丁烯和丁二烯。
4·In the process, oil is top gas (often reduced pressure), chemical is butadiene unit, the torch gas recovery system, oil and chemical are used.
工艺上用的，石油是塔顶气(常减压)，化工是丁二烯装置，火炬气回收系统，石油和化工均采用过。
5·A type of thermoplastic synthetic copolymer composed of various proportions of styrene, acrylonitrile and butadiene.
由各种比例苯乙烯、丙烯腈和丁二烯组成的一类热塑性合成共聚物。