propylene liguid

例句：

1. 1. Thepropylene liguid is usedin the production of polypropylene, a type of plastic.
   丙烯液体用于生产聚丙烯，一种塑料。
2. 2. The propylene liguid was found to bean effective solvent for cleaning oil stainson clothes.
   丙烯液体被发现是一种有效的清洁剂，可以清除衣物上的油渍。
3. 3. Thepropylene liguid was usedas a fuel in the early days ofinternal combustion engines.
   在早期的内燃机中，丙烯液体被用作燃料。