『物理回收是指用粉碎机或破碎机进行物理法切碎,把塑料瓶轧成细碎片,再通过加热熔化后去除杂质,再经过抽纱即可纺成线。』化学分解是指

『物理回收是指用粉碎机或破碎机进行物理法切碎,把塑料瓶轧成细碎片,再通过加热熔化后去除杂质,再经过抽纱即可纺成线。』化学分解是指废弃塑料的水解或醇解(乙醇解、甲醇解及乙二醇解等)过程,通过分解反应,可使塑料变成单体或低相对分子质量物质,可重新成为高分子合成的原料。
【正确答案】:Physical reclamation of PET refers to the physical process of firstly breaking the bottles into fine scraps with a grinder or crusher, then melting the scraps to remove impurities, and lastly drawing yam so as to spin knitting wool.