技师

The technician is busy repairing the machine.

正忙于修理那台机器。

He works as a sound technician in a recording studio.

他在录音室做音效。

She said she would find an electrician for us.

她说她要给我们找一个电。

The electricians have performed wonders in recording these long dead voices from old wax onto modern plastic surfaces.

电气们很出色地把这些早已失传声音从老唱片中转录到现代塑料薄膜唱片上。

On no account (should you) try to fix the heater yourself. All repairs should be done by a trained engineer.

切勿自己修加热器， 一切修理应由专业负责。

Our technicist and highly skilled workers can installation and debugging the crane to the best functional mode to ensure trouble-free working time.

精通业务和高级能够把起重机、调试到最佳作状态，保证无故障作时间。