sawtooth cross gate是什么意思，sawtooth cross gate的翻译，sawtooth cross gate音标、读音、用法和例句

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sawtooth cross gate是什么意思，sawtooth cross gate的翻译，sawtooth cross gate音标、读音、用法和例句_淳朴汉英词典

sawtooth cross gate

基本解释

专业释义

机械工程