【电】 仪器用互感器

摘要介绍了一种新型的虚拟互感器校验仪，它采用相位差校正法解决了校验电子式互感器的问题。

musical instrument

non-negotiable instrument【金融】

navigational instrument

high volume testing instrument for cotton

pediatric general surgical instrument

ophthalmic posterior microsurgical instrument set

supervisery instrument

navigation instrument