The method has simple technology, short cycle, high yield, and is suited for industrialization production.

本方法工艺简单、周期短、产率高，适于工业化生产。

youdao

The method has simple technology, short cycle, high yield, and is suited for industrialization production.

本方法工艺简单、周期短、产率高，适于工业化生产。

youdao