采用拥有自主知识产权的磁感应可控制系统，有效方式电器元件的老化，故障率更低。
Adopt magnetic induction control system of independent property right. It can effectively avoid electrical component deterioration and has lower failure rate.
锑化铟既作霍尔元件测量了磁感应强度，又作磁敏电阻研究了其阻值随磁场的变化规律。
InSb was used as Hall-element to measure magneto induction as well as used as magneto-sensitive to study the variety rule of its resistant when the magneto field was changed.
电流保护的构成元件有电磁感应型，晶体管型，微型机。
The constituted elements of the current protective device have three type:electromagnetic, transistor and also microcomputer.
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