英语词汇“hollow back”的读音、翻译、释义、用法及例句-智慧网

词汇	hollow back
释义	hollow backhollow back1.■腔背,穹状书脊(书背和书本身不粘在一起的精装,各国现在一般均通行这种形式,日本称之为腔背)
随便看	governor pump gear shaft governor regulation governor response rate governor ring governor rod governor roller bearing governor seal governor shaft governorship governor sleeve governor sleeve bushing governor slide governor slide valve governor socket governor solenoid governor solenoid valve governor speed changer governor spring governor stop arm governor stop block governor stop solenoid governor sump oil governor switch governor synchronizing system governor test

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