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

1.着综述了各种气体布装置液体布装置的结构形式。

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

2.介绍稻秸薄的工艺区别、稻秸薄生产工艺。