短语词组短语gas detonation -gun spray 气体爆燃喷涂sprayed by gas detonation -gun 气体爆燃喷涂gas -arc welding gun 气电焊焊嘴;气弧焊焊嘴Light -gas Gun [军]轻气炮light -gas gun equipment 轻气炮装置Two -stage light-gas gun 二级轻气炮one -stage light-gas gun 一级轻气炮 返回 gas gun