The security detection system comprises a gas supply gascircuit and the high-speed switching valve connected in series in the gas supply gascircuit.
安全检测系统包括供气气路和串联在供气气路中的前述高速开关阀。
2
Function and principle of the pneumatic control of plane refueller had been related simply. Methods of removing gascircuit troubles had been recommended.
简述了飞机加油车气控功能及原理，介绍了气路系统故障的排除方法。
3
This paper introduces a new type of automatic packing machine, its functions, its electric gascircuit, its principle of works, and the main point of design.