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HS5628A多功能积分式声级计简介符合GB/T3785和IEC61672标准对2级机的要求HS5628A多功能积分式声级计用途:适用于现场环境、工业及其它噪声测量,尤其适合环境监理部门使用。HS5628A多功能积分式声级计特点:·直接测量等效连续声级Leq和噪声暴露量等。·储存多达500组等效连...
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