他们当时在大演播厅里表演合奏，开演前格林告诉音响室里的技师将扬声器声音调低。
The duo performance took place in the big showroom. Before starting, Green told the sound booth technician to turn the speaker volume way down.
电气技师们很出色地把这些早已失传的声音从老唱片中转录到现代的塑料薄膜 唱片上。
The electricians have performed wonders in recording these long dead voices from old wax onto modern plastic surfaces.
电气技师们很出色地把这些早已失传的声音从老唱片中转录到现代的塑料薄膜 唱片上。
The electricians have performed wonders in recording these long dead voices from old wax onto modern plastic surfaces.
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