The new process is helpful to protect the catalyst, raise the yield of the catalyst, and reduce the cost and stabilize the safe production.

可保护催化剂，提高催化液收收率，降低成本，并稳定安全生产。

youdao

They were the elite flight squadron, chosen to protect the cannon. Ironically, the same cannon who was created to shoot down the asteroids became a catalyst to the war.

他们的飞行中队是被选做来保护大炮的，也就是就是击落小行星引起战争的大炮。

youdao

They were the elite flight squadron, chosen to protect the cannon. Ironically, the same cannon who was created to shoot down the asteroids became a catalyst to the war.

他们的飞行中队是被选做来保护大炮的，也就是就是击落小行星引起战争的大炮。

youdao