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 淨(jìng)壓吸高;淨(jìng)有傚吸水高Suction Height Time 吸深時間self -suction height 自吸高度maximum permissible suction height [油氣]最大允許吸高suction height WESTBANK 吸陞損失geometrical suction height 幾何吸上高度 返回 suction height