短語詞組短語suction vacuum height 吸上真空高度suction open height 懸空高度net positive suction height 凈壓吸高;凈有效吸水高Suction Height Time 吸深時(shí)間self -suction height 自吸高度maximum permissible suction height [油氣]最大允許吸高suction height WESTBANK 吸升損失geometrical suction height 幾何吸上高度 返回 suction height