| 释义 |
输油管shūyóuguǎn大量输送石油或石油制品的管道,通常是钢管,外面包着隔热层、保护层,有的埋在地下。{petroleum pipeline; pipe, usu. made of steel, wrapped up with heat insulating and protective materials, and sometimes buried underground, used to transport oil or oil products in a large quantity over long distances} |