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1.The new computer has a headless slotted plug that can connect to any USB port.
这款新电脑有一个无头插槽式插头，可以连接到任何USB端口。
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2.The engineer used a headless slotted plug to fix the broken circuit board.
工程师使用一个无头插槽式插头来修复损坏的电路板。
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3. The manufacturer replaced the old headless slotted plug with a more durable one.
制造商用更耐用的无头插槽式插头替换了旧的。