Plastic material is defined as a synthetic or natural macromolecular compound, PET is one of the.

塑胶原料定义为是一种以合成的或天然的高分子化合物，PET是其中的一种。

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Polymeric aluminum chloride (PAC) is an inorganic macromolecular compound which is good at cleaning water.

聚合氯化铝又称PAC，是一种无机高分子化合物。

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At least one ion type monomer or ion type macromolecular compound is added in the course of free radical polymerization.

在所述的自由基聚合过程中，至少一种离子型单体或离子型高分子化合物被加入。

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