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- portable DC ammeter 便携式直流电流表
- Make sure that the dc ammeter indication increases approximately 5 amperes. 确保直流电流表指示升高大约5安培。
- Model J0407 DC Ammeter is suitable for students to measure the current in a DC ciruit in laboratory. J0407型直流电流表供学校学生在实验中测量直流电路中的电流用。
- Make sure that the dc ammeter indication decreases approximately 5 amperes (returns to its original value). 确保直流电流表指示降低大约5安培(回到初始值)。
- DC Ammeter J0407 is suitable for the Laboratories of middle schools and polytechnic schools to measurecurrent intensity in DC circuit. J0407型直流电流表适用于中学、中专等实验室测量直流电路中的电流强度。
- The portable DC bridge is a device for measuring resistance that be applied widely to field-testing of electric power system. 携带式直流电桥是一种电阻测量仪器，在电力系统现场测试中应用极广。
- Development of Portable DC High-voltage Generator 便携直流高压发生器的研制
- The indication error of verifying portable DC potentiometer by DVM 用DVM检定便携式直流电位差计示值误差
- The Analyse and Treatment of Portable DC Bridge Break-down 携带式直流电桥故障分析及处理
- Problems for Attention in Integral Testing of Portable DC Bridge 携带型直流电桥整体检定应注意的问题
- Bob tuned in his portable radio to a record show. 鲍伯收听手提收音机的唱片广播。
- Completely portable and very light weight. 便携式的，而且重量很轻。
- Portable telephones are very popular nowadays. 现今，移动电话非常普及。
- He found that little TV extremely portable. 他觉得那台小小的电视机携带极其方便。
- I bought my son a portable typewriter. 我给儿子买了一台手提式打字机。
- The document had been typed on a small portable. 这份文件是用便携式打字机打的。
- The line AB cuts the line DC at the point E. AB线和DC线在E点相交。
- The new portable computers are going like hot cakes. 新的便携式计算机卖得很快。
- She traded her roller-skates for Billy's portable radio. 她拿旱冰鞋换了比利的手提收音机。
- The documents have been typed into a portable computer. 文件已经被输入到一台便携式电脑里了。
