They can also carry two 480 litre or 720 litre drop tanks.
它们也能携带二副480公升或720公升副油箱。
The basic trainer is not armed, but has two underwing pylons for drop tanks and practice weapons.
基本教练是没有武装，但有两个副油箱武器翼下挂架和实践。
He says a pressure valve on one of the rocket's fuel tanks showed a drop.
他说，火箭燃料箱的一个压力阀显示压力降低。
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