《炼油化工自动化》77年第四期发表我们编写的“空气压力天平试制小结”一文后,不少读者来信询问该天平的长期工作稳定性和何厂生产等情况,现答复如下: 我们从空气动力学及自动化的角度,对“空气压力天平”作了一些理论探索,推导了仪器的数学模型,重新编写了《浮球式标准压力发生器》一书,已由建筑工业出版社 After reading the article “Trial Summary of Air Pressure Balance,” a number of readers inquired about the long-term working stability of the balance and the factory production, etc. The reply is as follows: From the air Kinematics and automation point of view, the “air pressure balance” made some theoretical exploration, derived the mathematical model of the instrument, re-written “Float standard pressure generator,” a book by the Building Industry Press