2上的适配器检查。
You must check at least one modem or adapter.
必须选定至少一个调制解调器或适配器。
Check the adapter if you want to bring your computer.
想背着电脑同行的，看看电源线有没有收到包里。
Check modules are threaded into the valve adapter for leak proof operation.
止回阀模块通过螺纹旋进阀门适配器内，提供无泄漏运行。
Check modules are threaded into the valve adapter for leak proof operation.
止回阀模块通过螺纹旋进阀门适配器内，提供无泄漏运行。
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