常見例句雙語例句This paper describes drop hammer hydraulic dynamic calibration device's operating principle and its main function.該文介紹了落鎚液壓動標裝置的工作原理及其主要功能，分析了現(xiàn)有校準方法存在的問題。This paper describes drop hammer hydraulic dynamic calibration device's operating principle and its main function. The problems of the current calibration methods are also studied in details.該文介紹了落鎚液壓動標裝置的工作原理及其主要功能，分析了現(xiàn)有校準方法存在的問題。 返回 hydraulic drop hammer