The Spark module provides several classes for working with ASTs.
Spark模块提供了几个使用AST的类。
The parameters which affect the hold off voltage of the one stage pseudo spark switch such as the working gas, the pressure, the gap distance and the hole diameter of the electrodes have been studied.
对影响单级赝火花开关耐受电压的主要因素，如工作气体、气压、极间隙和孔径等进行了系统的研究。
The computer-aided spark voltage test system for working electrolyte is established with A/D conversion technology and sampling circuit.
通过取样控制电路，利用A/D转换技术，建立了工作电解液闪火电压的计算机自动测试系统。
The protector will not produce electric arc and spark during working.
本保护器工作时不会产生电弧和火花。
In this paper the working principle of electro - spark surfacing is introduced. Surfacing process is applied to restoring hydraulic piston - rod and gains good effectiveness.
主要介绍了电火花沉积堆焊工作原理，应用沉积堆焊工艺修复液压活寒杆，取得了良好效果。
And much attention is paid to the spark gap device, whose fundamental structure, parameter requirements, working mechanism amd characteristics are discussed in detail.
较为详细地介绍了电花隙器件的基本结构、参数要求、工作机理和特性。
No smoking on the working site. This product should be stored and used at a well-ventilated place free of spark or flame;
禁止在现场吸烟，请在通风良好，远离火花或者明火的地方储存和使用；
No smoking on the working site. This product should be stored and used at a well-ventilated place free of spark or flame;
禁止在现场吸烟，请在通风良好，远离火花或者明火的地方储存和使用；
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