air door的例句大全

In combination with the project of the ventilation system transformation, the working principle of the balance air door in the mechanical-natural alternative ventilation system and the stress of the door were studied.

结合某黄金矿山通风系统的改造课题，分析了机械-自然交替通风系统中平衡风门的工作原理，研究了门扇的受力状况。

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In coal mine local ventilations, 660V flameproof frequency variable speed regulator, matched with intelligent methane locking device of air door and power, could improve mine safety, energy saving and mining productivity.

在煤矿局部通风中，660V隔爆型变频器与智能型瓦斯风电闭锁装置配合使用、对安全节能和提高掘进生产率具有明显作用。Air（初三适用）

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In dusk for photosynthesis of colony descended and closing the air door, CO_2 concentration rising in small degree.

傍晚由于群体光合作用降低，加上放风结束，CO2浓度又有小幅度的回升。

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Comprehensive Prevention Technology on Rock Burst and Gas Outburst in Deep Well Driving Numerical simulation of outburst prevention air door destruction by coal and gas outbursts

煤与瓦斯突出后对防突风门破坏的数值模拟

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This paper provides the energy equation for non-stationary mine airflow and analyzes transient characteristics of step pulse of periodical pressure in an airway when there is an air door or regulator.

建立矿内空气非定常流动能量方程，分析了压力周期矩形脉冲在有调节风窗或风门的巷道中的瞬态特性。

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With measures adopted to adjust entrance taper, open of air door, and alignment of the shaft coupling between blower and motor, the main exhaust blower can keep in steady operation.

通过调整入口锥、风门开度、主抽风机与电机之间的联轴器对中等措施，保证了主抽风机稳定运行。

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The retractable air door has no deformation when the downhole pressure of a coal mine changes.

它是一种在煤矿井下压力出现变化时不变形的可缩性风门。

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The utility model relates to a mining device, in particular to a mine underground air door anti-collision device.

本实用新型涉及一种矿用装置，具体是一种矿井井下风门防撞装置。

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The utility model discloses a coal mine deformation-resistant air door, which has long service life and can reduce the production cost of enterprises.

本实用新型公开了一种延长使用寿命，降低企业生产成本的煤矿耐变形风门。

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The door leaves of the sliding air door are changed into the form of sliding opening and closing from the prior flat opening.

本实用新型的门扇由目前的平开改为推拉开闭。

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The utility model relates to a pneumatic actuator for the smoke baffle belonging to a pneumatic actuator for the common devices of secondary air door control of boilers in power plants.

一种烟气档板气动执行机构，属于发电厂锅炉二次风门控制常用装置气动执行机构。

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The automatic air door in trackless main haulage roadway designed by taking PLC as control core and using the optical-mechanical-electrical technology can solve the automatic control problems of underground traffic and air resistance.

无轨运输大巷自动风门设计，是以PLC为控制核心，采用光机电技术，解决煤矿井下行车与阻风的自动控制问题。

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The Study and Application of the Modifying Character for PVC Plastic Air Door

改性PVC塑料风门的研制与应用

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Checking every air door base by using leak tester.

使用测漏仪检查气门座圈焊接是否完好，是否有裂痕。

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The air door is mainly used for coal mine under-well production.

本实用新型主要用于煤矿井下的生产。

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Research on Application of Balance Air Door in Mechanical-natural Alternative Ventilation System

机械-自然交替通风系统中平衡风门的应用研究

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Chain and Giving an Alarm of Coal Underground Air Door

煤矿井下风门的连锁与报警

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Meanwhile, the formula for the balance air door design was deduced by theoretical analysis.

同时，通过理论分析导出了平衡风门的设计公式。

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Reformation of Air Door in 1# Fan Drift

1风井风门漏风改造

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The relationship be-tween the main& pipe pressure, steam drum pressure, steaming capacity, feedwater temperature and the speed of coal feeder, the opening of secondary air door are gotten by training the networks.

通过对网络的训练，建立了母管压力、汽包压力、锅炉蒸发量、锅炉给水温度等参数与给煤机转速和二次风门开度之间的关系。

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