The shielding layer is a copper film provided with adhesives on one side, and is connected with the negative pole of the transducer.
所述的屏蔽层为一边带粘接剂的铜膜与换能器负极连接。
The shielding layer is a copper film provided with adhesives on one side, and is connected with the negative pole of the transducer.
所述的屏蔽层为一边带粘接剂的铜膜与换能器负极连接。
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