poly 4-methyl-1-pentene

例句：

1. 1.This poly 4-methyl-1-pentene is used in the production of high-performance plastics.
   这种聚四甲基戊烯用于生产高性能塑料。
2. 2.The poly 4-methyl-1-pentene has excellent resistance to oil and grease.
   这种聚四甲基戊烯具有极好的抗油和抗脂性能。
3. 3.Poly 4-methyl-1-pentene is widely used in the automotive industry due to its excellent mechanical properties.
   由于其优异的机械性能，聚四甲基戊烯在汽车行业中被广泛使用。