Swinging lever is used in the adjustment of proportion of two different kinds of glues . exact proportion of the two kinds of glues is achieved and it can be altered according to different kinds of glues . high pressure gas is used as drive 比例调节采用的是摆杠运动调节的方案，实现了两种胶的准确的比例关系，并随着胶的不同而可以调节两种胶的比例，动力使用高压气体。
