Other than its excellent abrasion resistance, the Type A Valve can easily be cleaned if the lime solidifies, by actuating the sleeve.
除了优异的抗研磨特性以外，如果石灰固化，A型夹管阀还能够通过驱动套管将固化石灰轻易清除。
The reverser sleeve is part of the engine cowling . the actuating system is on the reverser.
反推器的外壳是发动机整流罩的要部分。 作动系统在反推器上。
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