标明角色的动作。

Type out action for the characters.

youdao

所有的控制阀，必须标明出事故时使它们动作的触发能量。

Any control valves must show their action in the event of a failure of the activating energy.

youdao

所有的控制阀，必须标明出事故时使它们动作的触发能量。

Any control valves must show their action in the event of a failure of the activating energy.

youdao