由于双连球的作用，使毒气柜内染毒空气均匀，并可控制柜内的毒气量。

Due to the function of double bulbs, poisoned air in the poisonous gas cabinet can be uniform, and the amount of the poisonous gas in the poisonous gas cabinet is controllable.

youdao

由于双连球的作用，使毒气柜内染毒空气均匀，并可控制柜内的毒气量。

Due to the function of double bulbs, poisoned air in the poisonous gas cabinet can be uniform, and the amount of the poisonous gas in the poisonous gas cabinet is controllable.

youdao