“气罐”怎么读？

巨大的圆柱形贮气罐huge cylindrical gas tanks潜水员向海岸走去时，铅坠和氧气罐使他们步履维艰。Lead weights and air cylinders encumbered the divers as they walked to the shore.较小的机组直接装在贮气罐上.The smaller units are mounted directly on the receiver tank....

“气罐”的英语可以翻译为：air bottle，gas tank ...