plastic components短语¹⁴⁴⁹⁷²⁺² 基本例句 塑封器件 The coating process of plastic components of automobile is described briefly based on the popular coating lines for plastic components. 依据目前主流的塑料件涂装生产线，简单阐述塑料件典型的涂装工艺。 dictall Identification, pretreatment and repair coatings of plastic components of automobiles are introduced. 介绍了汽车塑料件的识别、预处理和修补涂装。 dictall.com