A.100%,10%安全閥開(kāi)啟壓力 B.110%,10%舵機(jī)最大工作壓力 C.110%,10%安全閥開(kāi)啟壓力 D.110%,10%設(shè)計(jì)壓力提示
A.泵控型 B.閥控型 C.大型 D.A+B
A.30s B.45s C.1min D.2min