短语词组短语gas s bubble 气泡gas blanketing bubble pulsation 气泡脉动gas blanketing bubble pump 气泡泵gas blown bubble 气发泡孔gas -bubble bath 气泡浴;气泡浴英语;翻译gas blanketing bubble 气泡gas liquid bubble column 浆态鼓泡塔exhausted -gas-bubble 燃气泡 返回 gas bubble