Cleaning of the volume pipe shall be made before recalibration to remove greases in the standard section of the pipe and wax deposited in pipe wall.是什么意思_Cleaning of the volume pipe shall be made before recalibration to remove greases in the standard section of the pipe and wax deposited in pipe wall.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句