Isbn: 9787111037491 - 英语语法实用大全 20个语法核心版块加1000条知识点详解加600道典型练习题 助你消灭语法盲点 稳固语法根基 把丢掉的分数抢回来 (1 risultati)

paperback. Condizione: New. Paperback Pages Number: 248 Language: Chinese. Electrical insulation testing techniques (3rd edition) on the basis of the version 2. according to broaden knowledge. acquire new practical. to reduce the space requirements were revised. Electrical insulation testing techniques (3rd edition) includes: Dielectric parameters were measured. such as insulation resistance (micro current). capacitance (dielectric constant). the dissipation factor (dielectric spectroscopy) Dielectric strength; partial .…