In the field work of seismic exploration,in accordance with the required standards of the industry,the time out of PTB/RFTB should not exceed 2 ms.是什么意思_In the field work of seismic exploration,in accordance with the required standards of the industry,the time out of PTB/RFTB should not exceed 2 ms.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句