是软铁的衔铁。
It is composed of a primary winding, secondary winding and core of soft iron.
点火线圈有初级线圈、次级线圈和铁芯组成。
Pure iron is not used in industry because it is too soft.
纯铁太软，所以不用在工业上。
Pure iron is not used in industry because is too soft.
纯铁太软，所以不用在工业上。
Soft material do not carry sound so well as iron and other solid.
软性材料传递声音不如铁等固体那样好。
Soft pity enters at an iron gate.
慈悲为怀，便可步入铁门。
With the help of the science and technology, glass can be made as hard as steel, or as soft as silk, or as light as paper, or as heavy as iron.
借助于科学技术，玻璃可以被制作的像钢一样硬，像丝一样柔，像纸一样轻，像铁一样重。
Pure iron is not used in industry while it is too soft.
纯铁很软，所以不用于工业。
Pure iron is not used in industry while it is too soft.
纯铁很软，所以不用于工业。
应用推荐