“炮管”的英语？

坦克停了下来，长长的炮管转过来瞄准了山脊。The tank stopped with the long snout of its gun turned to the ridge.火焰温度较低, 因而可使炮管寿命较长.The flame temperature is lower, thus giving a longer barrel life.二战时期的重型火炮的炮管,也是这么工作的.The heavy gun barrels of W...

“炮管”的拼音为：pào guǎn...