但两放电针是一种微电流，对人体及其它动物不会构成安全威胁。
However the two discharge needles have micro-currents which will not pose a security threat to human body and other animals.
但两放电针是一种微电流，对人体及其它动物不会构成安全威胁。
However the two discharge needles have micro-currents which will not pose a security threat to human body and other animals.
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