machine room key的意思|示意
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机房钥匙
machine room key的网络常见释义
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machine room key相关例句
Points out the key issues in noise control including the arrangement of sound absorber, noise transmission from machine room and duct and noise superposition.
指出了全空气空调系统噪声控制应注意的几个问题，如消声器设置、空调机房及风管传声、噪声叠加等。