It completed performance testing of current, voltage, and other precision testing, in the control unit and hardware-assisted complete circuit of the power grid failures test.
它完成性能测试中的电流、电压等精度测试，并且在控制单元硬件电路的辅助下完成电网故障测试。
The principle, structure of the NBT-1 model of density adjusting unit were introduced. It can form a complete set with the density testing meter to control the density of the paper pulp.
介绍NBT 1型浓度调节器的结构、原理，该调节器与浓度变送器配套，可以控制纸浆的浓度。
The principle, structure of the NBT-1 model of density adjusting unit were introduced. It can form a complete set with the density testing meter to control the density of the paper pulp.
介绍NBT 1型浓度调节器的结构、原理，该调节器与浓度变送器配套，可以控制纸浆的浓度。
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