正常操作期
error-free running period
正常操作顺序
normal sequence of operation
正常操作条件
normal operating condition
normal operating conditions
正常操作位置
normal operational position
正常操作压力
routine operating pressure
操作周期
Operating cycle
operation period
Operation cycle
Operating period
capacity operating period
Cycle counting
operation expression
多操作周期
multiple operating cycles
强制周期操作
forced period operation
forced periodic operation
unsteady state operation