pneumatic tube brake是什么意思，pneumatic tube brake的翻译，pneumatic tube brake音标、读音、用法和例句

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pneumatic tube brake是什么意思，pneumatic tube brake的翻译，pneumatic tube brake音标、读音、用法和例句_伍贰汉英词典

pneumatic tube brake

基本解释

专业释义

機械工程