大量的球磨机在运转时产生强烈的噪声，严重影响人们的身心健康，是主要的工业噪声源之一。
A lot Ball mill produced a strong noise in operation, which is the main source of industrial noise, impact on people's physical and mental health badly.
排气放空噪声是工业上常遇到的噪声源。
The jet noise is a noise source which often occurs in industry.
大多数实验室和工业环境中存在全频率下有多种电子噪声源，主要来自重型设备、器械、能量源和显示器。
Most laboratories and industrial environments have many kinds of electrical-noise sources at all frequencies from heavy machinery, instruments, power supplies, and TV stations.
大多数实验室和工业环境中存在全频率下有多种电子噪声源，主要来自重型设备、器械、能量源和显示器。
Most laboratories and industrial environments have many kinds of electrical-noise sources at all frequencies from heavy machinery, instruments, power supplies, and TV stations.
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