To take part in the new size test and start and stop work of production.
To take part in the new size test and start and stop work of production.
参与跟踪新产品实验、产品（规格）的开始和结束工作.
To take part in the new size test and start and stop work of production.
参与跟踪新产品实验、产品（规格）的开始和结束工作.