The system also features a rugged 4 driven roll design for positive wire feeding.
该系统也配有一个坚固耐用的4轮送丝驱动设计，能产生稳定的送丝。
The corona voice strengths and levels of radio interference produced by positive polarity wire have little changes, and those produced by negative polarity wire increase with temperature.
正极性导线电晕声音和无线电干扰变化都不大；负极性导线电晕声音和无线电干扰都增大。
To analyze the formation of surface discharge on a dielectric plate under positive nanosecond impulse voltage in air, a wire to plane electrode system with a barrier of negative film was used.
采用感光胶片作为阻挡介质的针-板放电系统，解析空气中固体电介质上纳秒正脉冲表面放电的形成过程。
The electric current in a wire is usually said to flow from the positive to the negative electrodes of the battery, which is opposite to the way in which the electrons move.
电子中的电流通常是从电池的正极流向负极，这同电子的移动方向刚好相反。
The utility model relates to a miniaturized positive ion electrostatic field formed by an electric traveling band type flexible negative electrode and an auxiliary thin wire type positive electrode.
本实用新型是由电动走带式柔性负电极辅以细线状正电极形成一个正离子小型化静电场。
Characteristics: Oil soaking CAM and connecting bar system; sinker with an eyelet to take unable-closed steel wire; let-off boxes control two rollers for positive let-off motion.
特点：油浸式凸轮连杆机构，地梳固定不摆动，带耳沉降片穿防闭钢丝，送经箱体分别控制二辊罗拉积极送经。
When electrode negative ratio is zero, which is using MIG welding with DC ami welding wire being positive polarity, weld penetration is maximum , wire melting speed and deposition rate are minimum;
当负极性比率等于零即直流且焊丝为正极性的MIG焊时，其焊缝熔深最大，焊丝熔化系数最小，熔敷速度最小；
When electrode negative ratio is zero, which is using MIG welding with DC ami welding wire being positive polarity, weld penetration is maximum , wire melting speed and deposition rate are minimum;
当负极性比率等于零即直流且焊丝为正极性的MIG焊时，其焊缝熔深最大，焊丝熔化系数最小，熔敷速度最小；
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