短語詞組短語gas s cushion 氣墊accumulator gas cushion 蓄壓箱氣墊gas cushion cable 氣墊電纜gas cushion pressure 氣枕壓強(qiáng)cushion gas 緩沖氣體;墊氣;緩沖氣;墊層氣cushion gas volume 墊底氣量 返回 gas cushion