短語詞組短語head of pressure 壓頭head blood pressure 頭部血壓well head back pressure 標(biāo)簽Head sealing pressure 頭部密封受壓head cylinder pressure 油缸頭部壓力well head flowing pressure 井口流動壓力head end pressure 活塞頭端壓力head net pressure 有效壓頭Cylinder head hydraulic pressure 氣缸蓋水壓試驗 返回 head pressure