plastic disc meaning in English

塑料唱片

From this master disc, plastic discs are stamped out cheaply .
从这个总盘很便宜地复制出塑料盘。
Hardware molded plastic disc manufacturing , sales produced products
五金注塑件制造，销售自产产品。
W , electrical accessories manufacturing processes ; plastic disc , ram pieces , metal materials , instruments and meters , general machinery and accessories sales
铆钉、电器配件的制造加工；塑料件、冲压件、金属材料、仪器仪表、普通机械及配件的销售。
Just remember there are two small poly caps that have to be trapped by a small plastic disc on the inside of the side panels before these are attached to the floor for attaching the drive sprockets later
请记住装侧板前有两个胶套要和另一圆盘状塑料件装在侧板内侧，这是用来固定主动轮的。