同根派生 head room相關(guān)詞英漢例句Depending on the preexisting pressure and free head space in the receiving tank, the additional gas volume may be sufficient to overpressure the tank.根據(jù)先前的壓力和接收罐的頂部空間，增加的氣體體積足以超出儲罐。head room更多例句