electromagnet造句
To make an
electromagnet you need to send a current through the wire.
为了做成电磁体你需要对金属线送电.
The principle of
electromagnet induction had thus been discovered.
电磁感应定律就是这样发现的.
Reset pneumatic spring, mechanical spring reset, reset
electromagnet operation.
气动弹簧复位 、 机械弹簧复位 、 电磁铁操作复位.