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- Voltage swells usually have durations of several seconds or less, but can last several hours in an ungrounded system. 电压升高通常持续数秒或略少些,但也可在中性点不接地系统中持续数小时。
- In ungrounded systems,the duration of intermittency electric arc’s earthing over-voltage is long. 在中性点不接地系统中,间歇性电弧过电压持续时间较长。
- In ungrounded systems,the duration of intermittency electric arc's earthing over-voltage is long. 在中性点不接地系统中,间歇性电弧过电压持续时间较长。
- groundfault of ungrounded system 小电流系统接地故障
- The single-phase grounding fault frequently occurs in neutral ungrounded systems,the fault location must be found as soon as possible to avoid a phase-to-phase short circuit. 单相接地故障在小电流接地系统中出现的比较频繁,此时必须尽快地找到故障点以避免两相对地短路。
- Analysis on abnormal voltage condition of ungrounded system 不接地系统电压异常情况分析
- rural 10kV power ungrounded system 农村10kV不接地系统
- I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
- Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。
- The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
- The drainage system has been aged. 排水系统已经老化了。
- They called for a radical reform of our tax system. 他们要求对税收制度进行根本改革。
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
- He's mute on the subject of social system. 他对社会制度的问题保持沉默。
- He said he used this system in the year dot. 他说他很久以前用过这个系统。
- Our manager is conversant with account system. 我们的经理精通会计制度。
- The system can translate English into Chinese. 这个系统能将英语译为汉语。
- The caste system is still strong in India. 种姓制度在印度仍然很牢固。
