... 声位仪 sound level meter 声力电话 sound power telephone 扳手制动器(吹泄旋塞) spanner guard ...
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... 3.3 加压舱设施compression facilities 3.4 高气压作业hyperbaric operation 3.5 声力电话sound-powered telephone ...
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... Intelligent Integrated Sound and Power 智能集成音频和功率 sound-power telephone set 声力电话 maximum rated sound-power level 最大标定声功率级 ...
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