escribed

The structural models of many kinds of liquid and gas distributors are mainlyd escribed.

综述了各种气体布装置和液体布装置的结构形式。

The difference processing technology between thin and thick straw flakeboard and the technology of thin strawf lakeboard wered escribed.

介绍稻薄板和厚板的工艺区别、稻薄板生产工艺。