短語詞組短語suction n force 吸取力suction and force pump 吸壓泵combined suction and force pump 聯(lián)合真空壓力泵;翻譯combined suction and force pummp 吸壓泵bottom suction force 底吸力Vacuum suction force 真空吸力suction force pump 壓力抽氣泵soil suction force 土壤抽吸力suction force negative pressure 抽力 返回 suction force