Gas drilling technology as our current and future main oil drilling technology, pneumatic pneumatic is one of key equipments of it to determine achieved effective drilling.
气体钻井技术作为我国当前及未来的石油钻探主力技术，气动冲击器是其能否实现有效钻进的关键设备之一。
Based on a comparison of various current flatness measurement methods, this paper proposes to utilize pneumatic measurement in the flatness measurement system for the brakes 'steel back.
文中详细分析了气动测量原理，比较了各种气动测量气路的优劣，确定了差压式测量气路。
The current widespread use of the powder conveying way is to screw conveyor conveying, large mixing floor has adopt pneumatic conveying and scraper conveyor.
目前普遍采用的粉料输送方式是螺旋输送机输送，大型搅拌楼有采用气动输送和刮板输送的。螺旋输送的优点是结构简单、成本低、使用可靠。
The current widespread use of the powder conveying way is to screw conveyor conveying, large mixing floor has adopt pneumatic conveying and scraper conveyor.
目前普遍采用的粉料输送方式是螺旋输送机输送，大型搅拌楼有采用气动输送和刮板输送的。螺旋输送的优点是结构简单、成本低、使用可靠。
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