To aid detection of bleed valve movement in noisy environments a headset has been provided.
To aid detection of bleed valve movement in noisy environments a headset has been provided.
为了保证强噪音环境下测试的准确度，系统还带有一只耳机。
To aid detection of bleed valve movement in noisy environments a headset has been provided.
为了保证强噪音环境下测试的准确度，系统还带有一只耳机。