multistage
/ˈmʌltɪsteɪdʒ/adjective
attrib.
1- consisting of or relating to several stages or processes多级的; 多阶段的：
a multistage decision-making process.
多级决策过程。
1.1
- (of a rocket) having at least two sections which contain their own motor and are jettisoned as their fuel runs out（火箭）多级的。
1.2
- (of a pump, turbine, or similar device) having more than one rotor（泵、涡轮机或类似装置）多转子的。