短語(yǔ)詞組短語(yǔ)passive heave compensation system 被動(dòng)型升沉系統(tǒng)dead line heave compensation system 死繩升沉補(bǔ)償裝置crown block heave compensation system 天車(chē)升沉補(bǔ)償裝置 返回 heave compensation system