插座外壳限定了适于接受插头的插孔。
The jack housing defines a socket adapted to receive the plug.
插座外壳包括利用金属屏蔽层进行金属化的不导电衬底。
The jack housing includes an electrically non-conductive substrate metallized with a metal shield layer.
插座外壳采用铸铝合金制成，内装断路器，具有短路和过载保护功能。
Housing of socket is made of aluminum alloy, in which there is circuit breaker with functions of short circuit and overloading protection.
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