显示转换属性：条件转换向导。
The Transitional Properties: Conditional Transition wizard displays. Do the following.
换向时间影响换向盲区的煤气损失量；
Reversal time affects gas losing in the blind zone of the reversal process.
而且mod包可以对乐句进行转换，如置换或者换向。
Also, the mod package lets you perform transformations on phrases, such as transposing or inverting.
本文分析了多相无刷直流发电机的换向过程。
The paper analyses the commutation processes in polyphase brushless DC generators.
结果表明，这种机械自动换向的方法是可行的。
The result shows that the automatical reversing method is feasible.
公开的阀起—一体的换向阀和真空断路器的作用。
The disclosed valve ACTS as an integral diverter valve and vacuum break.
直流励磁时间和强制换向时间都由一个外部电容设定。
Each period of DC excitation and forced commutation drives is set with an external capacitor.
用途：适用于偶数槽电机带钩换向器转子的自动绕线。
Usage: suitable for automatic wire winding of even number slot motor with hook commutator rotor.
火焰换向是玻璃窑炉生产工艺中的一个重要组成部分。
Flame changeover is an important component in the production process of glass kiln.
安装换向感应器电缆指南和检查。更换任何旧的零件。
Install the spaer shift cable guide and recheck, Replace any worn parts.
它由定差减压阀，液动换向阀和简式节流阀三部分组成。
It is certainly worse by the pressure reducing valve , hydraulic throttle valve and the short form of three parts.
确定一下碳刷与换向器是否保持良好的接触，是非常必要的。
It is very necessary to make sure that the carbon brushes stay in good contact with the commutator.
气动系统电磁换向阀采用汇流板集装方式，减少了占用空间；
Electromagnetic valve of pneumatic system adopts conflux boards so as to reduce space.
它是由高效蓄热式回收系统，换向式燃烧系统和控制系统组成。
It is made up of heat accumulation recovery system with high efficiency and reversing combustion system as well as control system.
换向阀作为重要的方向控制阀，用来实现运动部件的方向控制。
As important directional control valve, direction valve is used to control the direction of movement part.
主传动链与承载链将悬点载荷分解为换向抽汲载荷与平衡载荷。
The main drive chain and the bearing chain divide the polished rod load into reverse pumping load and equilibrium load.
用途：适用于电动工具、串励电机、无钩槽形换向器的自动绕线。
Usage: suitable for automatic wire winding of electric tool, series motor, slot type no hook commutator.
两组链条长度之差产生差动功能，可缓冲平衡重的换向惯性冲击。
The difference of the lengths of the two chains produces a differential action to damp the reverse inertia impact of the counterbalance weight.
研制的纯水换向阀的性能基本达到了现有同类油压换向阀的水平。
The performance of the water hydraulic directional valve can achieve the level of traditional oil hydraulic directional valve.
实验结果表明，被试三位五通换向阀各个通道的流量特性有较大差别。
Experimental results show that there exists large difference between different passages of the valves.
本文根据直流电机换向理论，给出了一种分析直流电机换向火花的方法。
Based on the theory of commutation in DC machines, this paper describes a numerical analysis method for analysis of the commutation spark.
文中导出了计算直流电机换向器片间电压分布曲线的基本公式和试验验证；
Basic formulas for the calculation of bar to bar voltage distributing curve of DC motor commutator are derived and test-verified.
无换向器电动机是一种新型的可调速电机，其调速性能优于直流调速系统。
No commutator motor is a new variable-speed motor, its adjustable-speed performance is more advantage than dc system.
大容量直流电机是轧钢车间的主体设备，对其换向器的维护工作更显得重要。
The preventive maintenance for the commutator of the DC machine is of great importance.
本文着重介绍了冶金企业轧钢车间大型直流电机换向器的现场维护工作和体会。
Maintenance practices for the commutator of the DC machine in the steel mill are introduced in this paper.
蓄热式燃烧技术中，炉压控制和换向时造成的炉压波动是一个非常重要的问题。
For HTAC (Hight Temperature Air combustion) technology, pressure control and pressure fluctuation during combustion switchover are very important to the furnace reliability and stability.
在热泵系统四通换向阀后的排气管上加旁通毛细管和在气液分离器中加过冷管。
A by-pass capillary tube was added on the discharge pipe behind the four-way valve and a tube was added in an accumulator in a heat pump system to solve the problem.
目前除采用一般的直流电外，根据实际的需要还可采用周期换向电流及脉冲电流。
At present in the general of dc outside, according to the actual need to still can use cycle reversing current and pulse current.
目前除采用一般的直流电外，根据实际的需要还可采用周期换向电流及脉冲电流。
At present in the general of dc outside, according to the actual need to still can use cycle reversing current and pulse current.
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