SL版具有单功能，在低电流或低电压的情况下，信号输出具有PDT。
The SL version has one function, either undercurrent or undervoltage, with a PDT for signal output.
影响PS版砂目结构的因素有交流电的电流密度、电压、波形、频率、电解液成分及其浓度和温度等。
The factors influencing the roughness of aluminium surface are current density, voltage, waveform, frequency, the component and concentration of the electrolyte and it's temperature.
每个超电压客户会议以外的前四个系统需要购买适当的服务器许可证，这是否是一个标准版或企业版的授权许可。
Each Hyper-V guest session beyond the first four systems requires the purchase of the appropriate server license, whether that be a Standard Edition license or Enterprise Edition license.
每个超电压客户会议以外的前四个系统需要购买适当的服务器许可证，这是否是一个标准版或企业版的授权许可。
Each Hyper-V guest session beyond the first four systems requires the purchase of the appropriate server license, whether that be a Standard Edition license or Enterprise Edition license.
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