When the cladding thickness of rocket motor is measured with ultrasonics,the test echoes of the thin cladding will overlap in the time field.是什么意思_When the cladding thickness of rocket motor is measured with ultrasonics,the test echoes of the thin cladding will overlap in the time field.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句