短語詞組短語dynamic depression head 入口動壓降New Dynamic Door Head 新型動感門頭dynamic pressure head correction 動壓修正dynamic suction head 吸引動壓頭;動力吸水頭dynamic delivery head 排出動壓頭dynamic draft head 動吸出水頭total dynamic head 總動落差;總壓頭;總動力壓頭mean dynamic head 平均動壓頭Dynamic Head Space 動態(tài)頂空法 返回 dynamic head