For the problems of breathervalve detection on site, the development of the intelligent breathervalve is expecting by breathervalve users.
针对呼吸阀现场检测困难等问题，指出开发并使用智能呼吸阀是解决该问题的有效方法。
2
It is pointed out that the plugging and freezing of breathervalve, variation in parameters and operation conditions of oil tank and human factors result in the shrink of oil tank.
指出导致油罐抽瘪的主要原因是呼吸阀堵塞和冻结、油罐参数和工艺条件发生变化以及操作失误等。
3
The flow control valve is mainly made up of housing, body, sealing shim, liner bushing, valve cartridge, bearing, breather layer, aerator tank and transmission device etc.