Could be the laser unit itself and cleaning might not do anything.

可能是激光发射器本身和清洁可能不会做任何事情。

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You can hear the laser unit motor spin when you boot the machine up.

你能听到马达旋转激光发射器当你启动机器了。

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The medical apparatus is composed of laser switch power supply and YAG laser unit.

本发明涉及激光医疗仪器。是由激光开关电源和YAG激光器构成的。

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The system according to their technical person is based on a sweeping laser unit place at the top, and interaction software.

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The camera works in conjunction with laser beams mounted in the headlamp unit.

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The laser-based illumination system uses specialized lamps embedded in the projection unit, delivering superior picture quality.

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