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.
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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