masker

Breath masker with super wide field of vision.

宽视野的呼吸面罩。

The resulting threshold masker levels were LB1060 and LA1060 for the probe presented before and after the end of the masker, respectively.

当探测音出现在产生之前，其门槛为 LB1060 ；当探测音出现在产生之后，其门槛为 LA1060 。